42266631 has 12 divisors (see below), whose sum is σ = 61945016. Its totient is φ = 25615920.

The previous prime is 42266629. The next prime is 42266639. The reversal of 42266631 is 13666224.

It is not a de Polignac number, because 42266631 - 2¹ = 42266629 is a prime.

It is a super-2 number, since 2×42266631² = 3572936192180322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42266639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57856 + ... + 58581.

Almost surely, 2^42266631 is an apocalyptic number.

42266631 is a deficient number, since it is larger than the sum of its proper divisors (19678385).

42266631 is a wasteful number, since it uses less digits than its factorization.

42266631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116462 (or 116451 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 42266631 is about 6501.2791818226. The cubic root of 42266631 is about 348.3366820238.

The spelling of 42266631 in words is "forty-two million, two hundred sixty-six thousand, six hundred thirty-one".