22463320646 has 32 divisors (see below), whose sum is σ = 38226639360. Its totient is φ = 9814330656.

The previous prime is 22463320639. The next prime is 22463320661. The reversal of 22463320646 is 64602336422.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638405 + ... + 672671.

It is an arithmetic number, because the mean of its divisors is an integer number (1194582480).

Almost surely, 2^22463320646 is an apocalyptic number.

22463320646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22463320646 is a deficient number, since it is larger than the sum of its proper divisors (15763318714).

22463320646 is a wasteful number, since it uses less digits than its factorization.

22463320646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35628.

The product of its (nonzero) digits is 248832, while the sum is 38.

The spelling of 22463320646 in words is "twenty-two billion, four hundred sixty-three million, three hundred twenty thousand, six hundred forty-six".