47391022 has 32 divisors (see below), whose sum is σ = 83280384. Its totient is φ = 19807200.

The previous prime is 47391011. The next prime is 47391023. The reversal of 47391022 is 22019374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47391023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180063 + ... + 180325.

It is an arithmetic number, because the mean of its divisors is an integer number (2602512).

Almost surely, 2^47391022 is an apocalyptic number.

47391022 is a deficient number, since it is larger than the sum of its proper divisors (35889362).

47391022 is a wasteful number, since it uses less digits than its factorization.

47391022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 47391022 is about 6884.1137410708. The cubic root of 47391022 is about 361.8806470384.

The spelling of 47391022 in words is "forty-seven million, three hundred ninety-one thousand, twenty-two".