22202522 has 4 divisors (see below), whose sum is σ = 33303786. Its totient is φ = 11101260.

The previous prime is 22202519. The next prime is 22202533. The reversal of 22202522 is 22520222.

It is a happy number.

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., 13623481 + 8579041 = 3691^2 + 2929^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22202522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550629 + ... + 5550632.

Almost surely, 2^22202522 is an apocalyptic number.

22202522 is a deficient number, since it is larger than the sum of its proper divisors (11101264).

22202522 is a wasteful number, since it uses less digits than its factorization.

22202522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101263.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 22202522 is about 4711.9552205003. The cubic root of 22202522 is about 281.0611181503.

Adding to 22202522 its reverse (22520222), we get a palindrome (44722744).

It can be divided in two parts, 2 and 2202522, that multiplied together give a palindrome (4405044).

The spelling of 22202522 in words is "twenty-two million, two hundred two thousand, five hundred twenty-two".