22212301982 has 32 divisors (see below), whose sum is σ = 37216204704. Its totient is φ = 9875952000.

The previous prime is 22212301981. The next prime is 22212301997. The reversal of 22212301982 is 28910321222.

It is a happy number.

It is a super-2 number, since 2×22212301982² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212301981) 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, 17144 + ... + 211467.

It is an arithmetic number, because the mean of its divisors is an integer number (1163006397).

Almost surely, 2^22212301982 is an apocalyptic number.

22212301982 is a deficient number, since it is larger than the sum of its proper divisors (15003902722).

22212301982 is a wasteful number, since it uses less digits than its factorization.

22212301982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228764.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 22212301982 in words is "twenty-two billion, two hundred twelve million, three hundred one thousand, nine hundred eighty-two".