47402220 has 48 divisors (see below), whose sum is σ = 133025760. Its totient is φ = 12612096.

The previous prime is 47402209. The next prime is 47402221. The reversal of 47402220 is 2220474.

It is not an unprimeable number, because it can be changed into a prime (47402221) 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, 49264 + ... + 50216.

It is an arithmetic number, because the mean of its divisors is an integer number (2771370).

Almost surely, 2^47402220 is an apocalyptic number.

It is an amenable number.

47402220 is an abundant number, since it is smaller than the sum of its proper divisors (85623540).

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

47402220 is a wasteful number, since it uses less digits than its factorization.

47402220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 47402220 is about 6884.9270148637. The cubic root of 47402220 is about 361.9091476571.

Adding to 47402220 its reverse (2220474), we get a palindrome (49622694).

The spelling of 47402220 in words is "forty-seven million, four hundred two thousand, two hundred twenty".