22220514 has 16 divisors (see below), whose sum is σ = 49379040. Its totient is φ = 7406820.

The previous prime is 22220509. The next prime is 22220533. The reversal of 22220514 is 41502222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205692 + ... + 205799.

It is an arithmetic number, because the mean of its divisors is an integer number (3086190).

Almost surely, 2^22220514 is an apocalyptic number.

22220514 is an abundant number, since it is smaller than the sum of its proper divisors (27158526).

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

22220514 is a wasteful number, since it uses less digits than its factorization.

22220514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411502 (or 411496 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 22220514 is about 4713.8640201007. The cubic root of 22220514 is about 281.1370177305.

Adding to 22220514 its reverse (41502222), we get a palindrome (63722736).

It can be divided in two parts, 222 and 20514, that added together give a 4-th power (20736 = 12⁴).

The spelling of 22220514 in words is "twenty-two million, two hundred twenty thousand, five hundred fourteen".