22402423231430 has 32 divisors (see below), whose sum is σ = 44161381090080. Its totient is φ = 8114637905920.

The previous prime is 22402423231343. The next prime is 22402423231477. The reversal of 22402423231430 is 3413232420422.

It is a super-2 number, since 2×22402423231430² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 396194285 + ... + 396250824.

It is an arithmetic number, because the mean of its divisors is an integer number (1380043159065).

Almost surely, 2^{22402423231430} is an apocalyptic number.

22402423231430 is a deficient number, since it is larger than the sum of its proper divisors (21758957858650).

22402423231430 is a wasteful number, since it uses less digits than its factorization.

22402423231430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792445384.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 22402423231430 its reverse (3413232420422), we get a palindrome (25815655651852).

The spelling of 22402423231430 in words is "twenty-two trillion, four hundred two billion, four hundred twenty-three million, two hundred thirty-one thousand, four hundred thirty".