47221430 has 16 divisors (see below), whose sum is σ = 85098384. Its totient is φ = 18866400.

The previous prime is 47221429. The next prime is 47221459. The reversal of 47221430 is 3412274.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47221396 and 47221405.

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, 8264 + ... + 12756.

It is an arithmetic number, because the mean of its divisors is an integer number (5318649).

Almost surely, 2^47221430 is an apocalyptic number.

47221430 is a deficient number, since it is larger than the sum of its proper divisors (37876954).

47221430 is a wasteful number, since it uses less digits than its factorization.

47221430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 47221430 is about 6871.7850664875. The cubic root of 47221430 is about 361.4484595759.

The spelling of 47221430 in words is "forty-seven million, two hundred twenty-one thousand, four hundred thirty".