47221042 has 32 divisors (see below), whose sum is σ = 81933120. Its totient is φ = 20185920.

The previous prime is 47221037. The next prime is 47221043. The reversal of 47221042 is 24012274.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (47221043) 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, 71988 + ... + 72640.

It is an arithmetic number, because the mean of its divisors is an integer number (2560410).

Almost surely, 2^47221042 is an apocalyptic number.

47221042 is a deficient number, since it is larger than the sum of its proper divisors (34712078).

47221042 is a wasteful number, since it uses less digits than its factorization.

47221042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 47221042 is about 6871.7568350459. The cubic root of 47221042 is about 361.4474696131.

The spelling of 47221042 in words is "forty-seven million, two hundred twenty-one thousand, forty-two".