60442221 has 32 divisors (see below), whose sum is σ = 94076928. Its totient is φ = 33808320.

The previous prime is 60442169. The next prime is 60442243. The reversal of 60442221 is 12224406.

It is not a de Polignac number, because 60442221 - 2⁹ = 60441709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60442271) 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, 349291 + ... + 349463.

It is an arithmetic number, because the mean of its divisors is an integer number (2939904).

Almost surely, 2^60442221 is an apocalyptic number.

It is an amenable number.

60442221 is a deficient number, since it is larger than the sum of its proper divisors (33634707).

60442221 is a wasteful number, since it uses less digits than its factorization.

60442221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 60442221 is about 7774.4595310542. The cubic root of 60442221 is about 392.4462089726.

Adding to 60442221 its reverse (12224406), we get a palindrome (72666627).

The spelling of 60442221 in words is "sixty million, four hundred forty-two thousand, two hundred twenty-one".