47122452 has 48 divisors (see below), whose sum is σ = 131570880. Its totient is φ = 14498784.

The previous prime is 47122447. The next prime is 47122501. The reversal of 47122452 is 25422174.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15378 + ... + 18185.

It is an arithmetic number, because the mean of its divisors is an integer number (2741060).

Almost surely, 2^47122452 is an apocalyptic number.

It is an amenable number.

47122452 is an abundant number, since it is smaller than the sum of its proper divisors (84448428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47122452 is a wasteful number, since it uses less digits than its factorization.

47122452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33589 (or 33581 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 47122452 is about 6864.5795209903. The cubic root of 47122452 is about 361.1957461337.

It can be divided in two parts, 47122 and 452, that added together give a palindrome (47574).

The spelling of 47122452 in words is "forty-seven million, one hundred twenty-two thousand, four hundred fifty-two".