47225490 has 96 divisors (see below), whose sum is σ = 129971520. Its totient is φ = 10914816.

The previous prime is 47225483. The next prime is 47225527. The reversal of 47225490 is 9452274.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112501 + ... + 112919.

It is an arithmetic number, because the mean of its divisors is an integer number (1353870).

Almost surely, 2^47225490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47225490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64985760).

47225490 is an abundant number, since it is smaller than the sum of its proper divisors (82746030).

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

47225490 is a wasteful number, since it uses less digits than its factorization.

47225490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 47225490 is about 6872.0804710073. The cubic root of 47225490 is about 361.4588181405.

The spelling of 47225490 in words is "forty-seven million, two hundred twenty-five thousand, four hundred ninety".