22142233200440 has 48 divisors (see below), whose sum is σ = 52580136907080. Its totient is φ = 8390740996800.

The previous prime is 22142233200433. The next prime is 22142233200449. The reversal of 22142233200440 is 4400233224122.

It is a super-2 number, since 2×22142233200440² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142233200449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 766683386 + ... + 766712265.

Almost surely, 2^{22142233200440} is an apocalyptic number.

22142233200440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22142233200440 is an abundant number, since it is smaller than the sum of its proper divisors (30437903706640).

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

22142233200440 is a wasteful number, since it uses less digits than its factorization.

22142233200440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533395700 (or 1533395677 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 22142233200440 its reverse (4400233224122), we get a palindrome (26542466424562).

The spelling of 22142233200440 in words is "twenty-two trillion, one hundred forty-two billion, two hundred thirty-three million, two hundred thousand, four hundred forty".