126644022 has 24 divisors (see below), whose sum is σ = 274659840. Its totient is φ = 42174000.

The previous prime is 126644017. The next prime is 126644047. The reversal of 126644022 is 220446621.

126644022 is a `hidden beast` number, since 12 + 6 + 644 + 0 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20272 + ... + 25772.

It is an arithmetic number, because the mean of its divisors is an integer number (11444160).

Almost surely, 2^126644022 is an apocalyptic number.

126644022 is an abundant number, since it is smaller than the sum of its proper divisors (148015818).

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

126644022 is a wasteful number, since it uses less digits than its factorization.

126644022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6788 (or 6785 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 126644022 is about 11253.6226167399. The cubic root of 126644022 is about 502.1824889562.

The spelling of 126644022 in words is "one hundred twenty-six million, six hundred forty-four thousand, twenty-two".