22220124 has 12 divisors (see below), whose sum is σ = 51846984. Its totient is φ = 7406704.

The previous prime is 22220117. The next prime is 22220131. The reversal of 22220124 is 42102222.

It is an interprime number because it is at equal distance from previous prime (22220117) and next prime (22220131).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925827 + ... + 925850.

It is an arithmetic number, because the mean of its divisors is an integer number (4320582).

Almost surely, 2^22220124 is an apocalyptic number.

It is an amenable number.

22220124 is an abundant number, since it is smaller than the sum of its proper divisors (29626860).

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

22220124 is a wasteful number, since it uses less digits than its factorization.

22220124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851684 (or 1851682 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 22220124 is about 4713.8226525825. The cubic root of 22220124 is about 281.1353729429.

Adding to 22220124 its reverse (42102222), we get a palindrome (64322346).

The spelling of 22220124 in words is "twenty-two million, two hundred twenty thousand, one hundred twenty-four".