22319196642 has 54 divisors (see below), whose sum is σ = 50585247531. Its totient is φ = 7111617480.

The previous prime is 22319196631. The next prime is 22319196643. The reversal of 22319196642 is 24669191322.

It can be written as a sum of positive squares in only one way, i.e., 11159598321 + 11159598321 = 105639^2 + 105639^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105639.

It is a super-3 number, since 3×22319196642³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22319196643) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14577417 + ... + 14578947.

Almost surely, 2^22319196642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22319196642

22319196642 is an abundant number, since it is smaller than the sum of its proper divisors (28266050889).

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

22319196642 is an equidigital number, since it uses as much as digits as its factorization.

22319196642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116 (or 1559 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The spelling of 22319196642 in words is "twenty-two billion, three hundred nineteen million, one hundred ninety-six thousand, six hundred forty-two".