22432451430 has 16 divisors (see below), whose sum is σ = 53837883504. Its totient is φ = 5981987040.

The previous prime is 22432451389. The next prime is 22432451449. The reversal of 22432451430 is 3415423422.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 747748381 = 22432451430 / (2 + 2 + 4 + 3 + 2 + 4 + 5 + 1 + 4 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373874161 + ... + 373874220.

It is an arithmetic number, because the mean of its divisors is an integer number (3364867719).

Almost surely, 2^22432451430 is an apocalyptic number.

22432451430 is an abundant number, since it is smaller than the sum of its proper divisors (31405432074).

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

22432451430 is a wasteful number, since it uses less digits than its factorization.

22432451430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747748391.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 22432451430 its reverse (3415423422), we get a palindrome (25847874852).

The spelling of 22432451430 in words is "twenty-two billion, four hundred thirty-two million, four hundred fifty-one thousand, four hundred thirty".