22906132722 has 270 divisors, whose sum is σ = 60258033759. Its totient is φ = 6498193680.

The previous prime is 22906132703. The next prime is 22906132729. The reversal of 22906132722 is 22723160922.

It can be written as a sum of positive squares in only one way, i.e., 11453066361 + 11453066361 = 107019^2 + 107019^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=107019.

It is not an unprimeable number, because it can be changed into a prime (22906132729) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 487364503 + ... + 487364549.

Almost surely, 2^22906132722 is an apocalyptic number.

22906132722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22906132722

22906132722 is an abundant number, since it is smaller than the sum of its proper divisors (37351901037).

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

22906132722 is a wasteful number, since it uses less digits than its factorization.

22906132722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 22906132722 in words is "twenty-two billion, nine hundred six million, one hundred thirty-two thousand, seven hundred twenty-two".