47022291 has 6 divisors (see below), whose sum is σ = 67921100. Its totient is φ = 31348188.

The previous prime is 47022271. The next prime is 47022299. The reversal of 47022291 is 19222074.

It is not a de Polignac number, because 47022291 - 2¹¹ = 47020243 is a prime.

It is a super-2 number, since 2×47022291² = 4422191701777362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47022299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2612341 + ... + 2612358.

Almost surely, 2^47022291 is an apocalyptic number.

47022291 is a deficient number, since it is larger than the sum of its proper divisors (20898809).

47022291 is a wasteful number, since it uses less digits than its factorization.

47022291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224705 (or 5224702 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 47022291 is about 6857.2801459471. The cubic root of 47022291 is about 360.9396517216.

The spelling of 47022291 in words is "forty-seven million, twenty-two thousand, two hundred ninety-one".