47372229 has 8 divisors (see below), whose sum is σ = 70181120. Its totient is φ = 31581468.

The previous prime is 47372191. The next prime is 47372233. The reversal of 47372229 is 92227374.

It is not a de Polignac number, because 47372229 - 2⁹ = 47371717 is a prime.

It is a super-4 number, since 4×47372229⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47372193 and 47372202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47372239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877237 + ... + 877290.

It is an arithmetic number, because the mean of its divisors is an integer number (8772640).

Almost surely, 2^47372229 is an apocalyptic number.

It is an amenable number.

47372229 is a deficient number, since it is larger than the sum of its proper divisors (22808891).

47372229 is a wasteful number, since it uses less digits than its factorization.

47372229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754536 (or 1754530 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 47372229 is about 6882.7486515200. The cubic root of 47372229 is about 361.8328058941.

The spelling of 47372229 in words is "forty-seven million, three hundred seventy-two thousand, two hundred twenty-nine".