422251512 has 32 divisors (see below), whose sum is σ = 1060644480. Its totient is φ = 140081760.

The previous prime is 422251481. The next prime is 422251517. The reversal of 422251512 is 215152224.

It is a super-2 number, since 2×422251512² = 356592678772572288, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422251517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36628 + ... + 46755.

It is an arithmetic number, because the mean of its divisors is an integer number (33145140).

Almost surely, 2^422251512 is an apocalyptic number.

It is an amenable number.

422251512 is an abundant number, since it is smaller than the sum of its proper divisors (638392968).

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

422251512 is a wasteful number, since it uses less digits than its factorization.

422251512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83603 (or 83599 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 422251512 is about 20548.7593786097. The cubic root of 422251512 is about 750.2230518795.

The spelling of 422251512 in words is "four hundred twenty-two million, two hundred fifty-one thousand, five hundred twelve".