22430143242 has 32 divisors (see below), whose sum is σ = 53678976960. Its totient is φ = 6901582320.

The previous prime is 22430143199. The next prime is 22430143261. The reversal of 22430143242 is 24234103422.

22430143242 is a `hidden beast` number, since 224 + 3 + 0 + 1 + 432 + 4 + 2 = 666.

It is a super-2 number, since 2×22430143242² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 15975184 + ... + 15976587.

It is an arithmetic number, because the mean of its divisors is an integer number (1677468030).

Almost surely, 2^22430143242 is an apocalyptic number.

22430143242 is an abundant number, since it is smaller than the sum of its proper divisors (31248833718).

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

22430143242 is a wasteful number, since it uses less digits than its factorization.

22430143242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31951795 (or 31951789 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22430143242 its reverse (24234103422), we get a palindrome (46664246664).

The spelling of 22430143242 in words is "twenty-two billion, four hundred thirty million, one hundred forty-three thousand, two hundred forty-two".