22404408684 has 48 divisors (see below), whose sum is σ = 60563532288. Its totient is φ = 6313569408.

The previous prime is 22404408673. The next prime is 22404408701. The reversal of 22404408684 is 48680440422.

It is a happy number.

It is a super-2 number, since 2×22404408684² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1820712 + ... + 1832975.

It is an arithmetic number, because the mean of its divisors is an integer number (1261740256).

Almost surely, 2^22404408684 is an apocalyptic number.

It is an amenable number.

22404408684 is an abundant number, since it is smaller than the sum of its proper divisors (38159123604).

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

22404408684 is a wasteful number, since it uses less digits than its factorization.

22404408684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653774 (or 3653772 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 42.

The spelling of 22404408684 in words is "twenty-two billion, four hundred four million, four hundred eight thousand, six hundred eighty-four".