59722218 has 64 divisors (see below), whose sum is σ = 138551040. Its totient is φ = 19051200.

The previous prime is 59722211. The next prime is 59722253. The reversal of 59722218 is 81222795.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (59722211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141648 + ... + 142068.

It is an arithmetic number, because the mean of its divisors is an integer number (2164860).

Almost surely, 2^59722218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 59722218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69275520).

59722218 is an abundant number, since it is smaller than the sum of its proper divisors (78828822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

59722218 is a wasteful number, since it uses less digits than its factorization.

59722218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 534 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 59722218 is about 7728.0151397367. The cubic root of 59722218 is about 390.8816739347.

The spelling of 59722218 in words is "fifty-nine million, seven hundred twenty-two thousand, two hundred eighteen".