22424431123402 has 64 divisors (see below), whose sum is σ = 42808591238400. Its totient is φ = 8733495321600.

The previous prime is 22424431123387. The next prime is 22424431123439. The reversal of 22424431123402 is 20432113442422.

It is a super-2 number, since 2×22424431123402² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19490502 + ... + 20608942.

It is an arithmetic number, because the mean of its divisors is an integer number (668884238100).

Almost surely, 2^{22424431123402} is an apocalyptic number.

22424431123402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22424431123402 is a deficient number, since it is larger than the sum of its proper divisors (20384160114998).

22424431123402 is a wasteful number, since it uses less digits than its factorization.

22424431123402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121132 (or 1121118 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 22424431123402 its reverse (20432113442422), we get a palindrome (42856544565824).

The spelling of 22424431123402 in words is "twenty-two trillion, four hundred twenty-four billion, four hundred thirty-one million, one hundred twenty-three thousand, four hundred two".