22063623940 has 48 divisors (see below), whose sum is σ = 47049492672. Its totient is φ = 8689228416.

The previous prime is 22063623889. The next prime is 22063623979. The reversal of 22063623940 is 4932636022.

It is a super-2 number, since 2×22063623940² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22063623940.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3967642 + ... + 3973198.

It is an arithmetic number, because the mean of its divisors is an integer number (980197764).

Almost surely, 2^22063623940 is an apocalyptic number.

22063623940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22063623940 is an abundant number, since it is smaller than the sum of its proper divisors (24985868732).

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

22063623940 is a wasteful number, since it uses less digits than its factorization.

22063623940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8596 (or 8594 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 22063623940 in words is "twenty-two billion, sixty-three million, six hundred twenty-three thousand, nine hundred forty".