47022637 has 2 divisors, whose sum is σ = 47022638. Its totient is φ = 47022636.

The previous prime is 47022623. The next prime is 47022653. The reversal of 47022637 is 73622074.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46936201 + 86436 = 6851^2 + 294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47022637 is a prime.

It is a super-2 number, since 2×47022637² = 4422256780867538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47022599 and 47022608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47022667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23511318 + 23511319.

It is an arithmetic number, because the mean of its divisors is an integer number (23511319).

Almost surely, 2^47022637 is an apocalyptic number.

It is an amenable number.

47022637 is a deficient number, since it is larger than the sum of its proper divisors (1).

47022637 is an equidigital number, since it uses as much as digits as its factorization.

47022637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 47022637 is about 6857.3053745622. The cubic root of 47022637 is about 360.9405370096.

The spelling of 47022637 in words is "forty-seven million, twenty-two thousand, six hundred thirty-seven".