42245574 has 32 divisors (see below), whose sum is σ = 98620416. Its totient is φ = 11812800.

The previous prime is 42245563. The next prime is 42245617. The reversal of 42245574 is 47554224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8727 + ... + 12674.

It is an arithmetic number, because the mean of its divisors is an integer number (3081888).

Almost surely, 2^42245574 is an apocalyptic number.

42245574 is an abundant number, since it is smaller than the sum of its proper divisors (56374842).

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

42245574 is a wasteful number, since it uses less digits than its factorization.

42245574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21460.

The product of its digits is 44800, while the sum is 33.

The square root of 42245574 is about 6499.6595295446. The cubic root of 42245574 is about 348.2788259504.

Adding to 42245574 its reverse (47554224), we get a palindrome (89799798).

The spelling of 42245574 in words is "forty-two million, two hundred forty-five thousand, five hundred seventy-four".