22144001064 has 32 divisors (see below), whose sum is σ = 55419141120. Its totient is φ = 7373448576.

The previous prime is 22144001059. The next prime is 22144001107. The reversal of 22144001064 is 46010044122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 469864 + ... + 514839.

It is an arithmetic number, because the mean of its divisors is an integer number (1731848160).

Almost surely, 2^22144001064 is an apocalyptic number.

22144001064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22144001064 is an abundant number, since it is smaller than the sum of its proper divisors (33275140056).

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

22144001064 is a wasteful number, since it uses less digits than its factorization.

22144001064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985649 (or 985645 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22144001064 its reverse (46010044122), we get a palindrome (68154045186).

The spelling of 22144001064 in words is "twenty-two billion, one hundred forty-four million, one thousand, sixty-four".