22202064442 has 4 divisors (see below), whose sum is σ = 33303096666. Its totient is φ = 11101032220.

The previous prime is 22202064439. The next prime is 22202064463. The reversal of 22202064442 is 24446020222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14467037841 + 7735026601 = 120279^2 + 87949^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22202064442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550516109 + ... + 5550516112.

Almost surely, 2^22202064442 is an apocalyptic number.

22202064442 is a deficient number, since it is larger than the sum of its proper divisors (11101032224).

22202064442 is a wasteful number, since it uses less digits than its factorization.

22202064442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11101032223.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 22202064442 its reverse (24446020222), we get a palindrome (46648084664).

The spelling of 22202064442 in words is "twenty-two billion, two hundred two million, sixty-four thousand, four hundred forty-two".