22221060 has 48 divisors (see below), whose sum is σ = 62596800. Its totient is φ = 5889664.

The previous prime is 22221049. The next prime is 22221061. The reversal of 22221060 is 6012222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (22221061) 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, 9706 + ... + 11774.

It is an arithmetic number, because the mean of its divisors is an integer number (1304100).

Almost surely, 2^22221060 is an apocalyptic number.

22221060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22221060 is an abundant number, since it is smaller than the sum of its proper divisors (40375740).

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

22221060 is a wasteful number, since it uses less digits than its factorization.

22221060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260 (or 2258 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22221060 is about 4713.9219340163. The cubic root of 22221060 is about 281.1393204009.

Adding to 22221060 its reverse (6012222), we get a palindrome (28233282).

The spelling of 22221060 in words is "twenty-two million, two hundred twenty-one thousand, sixty".