22162142004 has 48 divisors (see below), whose sum is σ = 54772958016. Its totient is φ = 6950361600.

The previous prime is 22162142003. The next prime is 22162142029. The reversal of 22162142004 is 40024126122.

It is a happy number.

It is a super-2 number, since 2×22162142004² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22162142003) by changing a digit.

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, 606699 + ... + 642189.

It is an arithmetic number, because the mean of its divisors is an integer number (1141103292).

Almost surely, 2^22162142004 is an apocalyptic number.

It is an amenable number.

22162142004 is an abundant number, since it is smaller than the sum of its proper divisors (32610816012).

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

22162142004 is a wasteful number, since it uses less digits than its factorization.

22162142004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38576 (or 38574 counting only the distinct ones).

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

Adding to 22162142004 its reverse (40024126122), we get a palindrome (62186268126).

The spelling of 22162142004 in words is "twenty-two billion, one hundred sixty-two million, one hundred forty-two thousand, four".