47913122 has 4 divisors (see below), whose sum is σ = 71869686. Its totient is φ = 23956560.

The previous prime is 47913091. The next prime is 47913169. The reversal of 47913122 is 22131974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22131974 = 2 ⋅11065987.

It can be written as a sum of positive squares in only one way, i.e., 42003361 + 5909761 = 6481^2 + 2431^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11978279 + ... + 11978282.

Almost surely, 2^47913122 is an apocalyptic number.

47913122 is a deficient number, since it is larger than the sum of its proper divisors (23956564).

47913122 is a wasteful number, since it uses less digits than its factorization.

47913122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23956563.

The product of its digits is 3024, while the sum is 29.

The square root of 47913122 is about 6921.9305110641. The cubic root of 47913122 is about 363.2047253116.

The spelling of 47913122 in words is "forty-seven million, nine hundred thirteen thousand, one hundred twenty-two".