22201213234440 has 64 divisors (see below), whose sum is σ = 68403738087360. Its totient is φ = 5760314784000.

The previous prime is 22201213234411. The next prime is 22201213234451. The reversal of 22201213234440 is 4443231210222.

It is a super-2 number, since 2×22201213234440² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22201213234398 and 22201213234407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2500132186 + ... + 2500141065.

It is an arithmetic number, because the mean of its divisors is an integer number (1068808407615).

Almost surely, 2^{22201213234440} is an apocalyptic number.

22201213234440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201213234440 is an abundant number, since it is smaller than the sum of its proper divisors (46202524852920).

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

22201213234440 is a wasteful number, since it uses less digits than its factorization.

22201213234440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000273302 (or 5000273298 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 22201213234440 its reverse (4443231210222), we get a palindrome (26644444444662).

The spelling of 22201213234440 in words is "twenty-two trillion, two hundred one billion, two hundred thirteen million, two hundred thirty-four thousand, four hundred forty".