59220021 has 8 divisors (see below), whose sum is σ = 90240064. Its totient is φ = 33840000.

The previous prime is 59219983. The next prime is 59220043. The reversal of 59220021 is 12002295.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 59220021 - 2⁹ = 59219509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2820001 = 59220021 / (5 + 9 + 2 + 2 + 0 + 0 + 2 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 59220021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (59220071) 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, 1409980 + ... + 1410021.

It is an arithmetic number, because the mean of its divisors is an integer number (11280008).

Almost surely, 2^59220021 is an apocalyptic number.

It is an amenable number.

59220021 is a deficient number, since it is larger than the sum of its proper divisors (31020043).

59220021 is a wasteful number, since it uses less digits than its factorization.

59220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820011.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 59220021 is about 7695.4545674703. The cubic root of 59220021 is about 389.7829627376.

The spelling of 59220021 in words is "fifty-nine million, two hundred twenty thousand, twenty-one".