47723224 has 32 divisors (see below), whose sum is σ = 91551600. Its totient is φ = 23316480.

The previous prime is 47723219. The next prime is 47723243. The reversal of 47723224 is 42232774.

It is a super-2 number, since 2×47723224² = 4555012217908352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68719 + ... + 69409.

Almost surely, 2^47723224 is an apocalyptic number.

It is an amenable number.

47723224 is a deficient number, since it is larger than the sum of its proper divisors (43828376).

47723224 is a wasteful number, since it uses less digits than its factorization.

47723224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 879 counting only the distinct ones).

The product of its digits is 18816, while the sum is 31.

The square root of 47723224 is about 6908.1997654961. The cubic root of 47723224 is about 362.7242503060.

Adding to 47723224 its reverse (42232774), we get a palindrome (89955998).

The spelling of 47723224 in words is "forty-seven million, seven hundred twenty-three thousand, two hundred twenty-four".