47225786 has 4 divisors (see below), whose sum is σ = 70838682. Its totient is φ = 23612892.

The previous prime is 47225747. The next prime is 47225807. The reversal of 47225786 is 68752274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34445161 + 12780625 = 5869^2 + 3575^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11806445 + ... + 11806448.

Almost surely, 2^47225786 is an apocalyptic number.

47225786 is a deficient number, since it is larger than the sum of its proper divisors (23612896).

47225786 is a wasteful number, since it uses less digits than its factorization.

47225786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23612895.

The product of its digits is 188160, while the sum is 41.

The square root of 47225786 is about 6872.1020073919. The cubic root of 47225786 is about 361.4595733230.

The spelling of 47225786 in words is "forty-seven million, two hundred twenty-five thousand, seven hundred eighty-six".