42211992 has 32 divisors (see below), whose sum is σ = 110119680. Its totient is φ = 13458720.

The previous prime is 42211927. The next prime is 42212011. The reversal of 42211992 is 29911224.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37684 + ... + 38787.

It is an arithmetic number, because the mean of its divisors is an integer number (3441240).

Almost surely, 2^42211992 is an apocalyptic number.

It is an amenable number.

42211992 is an abundant number, since it is smaller than the sum of its proper divisors (67907688).

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

42211992 is a wasteful number, since it uses less digits than its factorization.

42211992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76503 (or 76499 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 42211992 is about 6497.0756498597. The cubic root of 42211992 is about 348.1865164774.

The spelling of 42211992 in words is "forty-two million, two hundred eleven thousand, nine hundred ninety-two".