47225644 has 6 divisors (see below), whose sum is σ = 82644884. Its totient is φ = 23612820.

The previous prime is 47225641. The next prime is 47225657. The reversal of 47225644 is 44652274.

It is a super-2 number, since 2×47225644² = 4460522902429472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47225641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5903202 + ... + 5903209.

Almost surely, 2^47225644 is an apocalyptic number.

It is an amenable number.

47225644 is a deficient number, since it is larger than the sum of its proper divisors (35419240).

47225644 is a wasteful number, since it uses less digits than its factorization.

47225644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11806415 (or 11806413 counting only the distinct ones).

The product of its digits is 53760, while the sum is 34.

The square root of 47225644 is about 6872.0916757564. The cubic root of 47225644 is about 361.4592110399.

The spelling of 47225644 in words is "forty-seven million, two hundred twenty-five thousand, six hundred forty-four".