22631466012 has 12 divisors (see below), whose sum is σ = 52806754056. Its totient is φ = 7543822000.

The previous prime is 22631466001. The next prime is 22631466031. The reversal of 22631466012 is 21066413622.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22631466012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942977739 + ... + 942977762.

It is an arithmetic number, because the mean of its divisors is an integer number (4400562838).

Almost surely, 2^22631466012 is an apocalyptic number.

It is an amenable number.

22631466012 is an abundant number, since it is smaller than the sum of its proper divisors (30175288044).

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

22631466012 is a wasteful number, since it uses less digits than its factorization.

22631466012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885955508 (or 1885955506 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 22631466012 its reverse (21066413622), we get a palindrome (43697879634).

The spelling of 22631466012 in words is "twenty-two billion, six hundred thirty-one million, four hundred sixty-six thousand, twelve".