60221388 has 24 divisors (see below), whose sum is σ = 140894208. Its totient is φ = 20019856.

The previous prime is 60221387. The next prime is 60221389. The reversal of 60221388 is 88312206.

It is an interprime number because it is at equal distance from previous prime (60221387) and next prime (60221389).

It is not an unprimeable number, because it can be changed into a prime (60221387) 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, 1956 + ... + 11147.

It is an arithmetic number, because the mean of its divisors is an integer number (5870592).

Almost surely, 2^60221388 is an apocalyptic number.

It is an amenable number.

60221388 is an abundant number, since it is smaller than the sum of its proper divisors (80672820).

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

60221388 is a wasteful number, since it uses less digits than its factorization.

60221388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13493 (or 13491 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 60221388 is about 7760.2440683267. The cubic root of 60221388 is about 391.9676757325.

The spelling of 60221388 in words is "sixty million, two hundred twenty-one thousand, three hundred eighty-eight".