22466233530540 has 144 divisors (see below), whose sum is σ = 68535099150336. Its totient is φ = 5957015529600.

The previous prime is 22466233530529. The next prime is 22466233530551. The reversal of 22466233530540 is 4503533266422.

It is a happy number.

22466233530540 is a `hidden beast` number, since 2 + 2 + 4 + 6 + 6 + 2 + 335 + 305 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (22466233530529) and next prime (22466233530551).

It is a super-2 number, since 2×22466233530540² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24078525 + ... + 24994155.

It is an arithmetic number, because the mean of its divisors is an integer number (475938188544).

Almost surely, 2^{22466233530540} is an apocalyptic number.

22466233530540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22466233530540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34267549575168).

22466233530540 is an abundant number, since it is smaller than the sum of its proper divisors (46068865619796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22466233530540 is a wasteful number, since it uses less digits than its factorization.

22466233530540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916420 (or 916415 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 45.

Adding to 22466233530540 its reverse (4503533266422), we get a palindrome (26969766796962).

The spelling of 22466233530540 in words is "twenty-two trillion, four hundred sixty-six billion, two hundred thirty-three million, five hundred thirty thousand, five hundred forty".