47291222 has 16 divisors (see below), whose sum is σ = 77568192. Its totient is φ = 21445320.

The previous prime is 47291203. The next prime is 47291239. The reversal of 47291222 is 22219274.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7973 + ... + 12575.

It is an arithmetic number, because the mean of its divisors is an integer number (4848012).

Almost surely, 2^47291222 is an apocalyptic number.

47291222 is a deficient number, since it is larger than the sum of its proper divisors (30276970).

47291222 is a wasteful number, since it uses less digits than its factorization.

47291222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083.

The product of its digits is 4032, while the sum is 29.

The square root of 47291222 is about 6876.8613480279. The cubic root of 47291222 is about 361.6264422786.

The spelling of 47291222 in words is "forty-seven million, two hundred ninety-one thousand, two hundred twenty-two".