22140040430 has 32 divisors (see below), whose sum is σ = 42103463040. Its totient is φ = 8368702720.

The previous prime is 22140040399. The next prime is 22140040493. The reversal of 22140040430 is 3404004122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798551 + ... + 825810.

It is an arithmetic number, because the mean of its divisors is an integer number (1315733220).

Almost surely, 2^22140040430 is an apocalyptic number.

22140040430 is a deficient number, since it is larger than the sum of its proper divisors (19963422610).

22140040430 is a wasteful number, since it uses less digits than its factorization.

22140040430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624444.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22140040430 its reverse (3404004122), we get a palindrome (25544044552).

The spelling of 22140040430 in words is "twenty-two billion, one hundred forty million, forty thousand, four hundred thirty".