42292250 has 128 divisors (see below), whose sum is σ = 106928640. Its totient is φ = 12168000.

The previous prime is 42292219. The next prime is 42292273. The reversal of 42292250 is 5229224.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3253244 + ... + 3253256.

It is an arithmetic number, because the mean of its divisors is an integer number (835380).

Almost surely, 2^42292250 is an apocalyptic number.

42292250 is an abundant number, since it is smaller than the sum of its proper divisors (64636390).

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

42292250 is a wasteful number, since it uses less digits than its factorization.

42292250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 42292250 is about 6503.2491879060. The cubic root of 42292250 is about 348.4070467127.

It can be divided in two parts, 42 and 292250, that added together give a palindrome (292292).

The spelling of 42292250 in words is "forty-two million, two hundred ninety-two thousand, two hundred fifty".