22420524554 has 4 divisors (see below), whose sum is σ = 33630786834. Its totient is φ = 11210262276.

The previous prime is 22420524541. The next prime is 22420524559. The reversal of 22420524554 is 45542502422.

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., 22399612225 + 20912329 = 149665^2 + 4573^2 .

It is not an unprimeable number, because it can be changed into a prime (22420524559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605131137 + ... + 5605131140.

Almost surely, 2^22420524554 is an apocalyptic number.

22420524554 is a deficient number, since it is larger than the sum of its proper divisors (11210262280).

22420524554 is a wasteful number, since it uses less digits than its factorization.

22420524554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11210262279.

The product of its (nonzero) digits is 128000, while the sum is 35.

The spelling of 22420524554 in words is "twenty-two billion, four hundred twenty million, five hundred twenty-four thousand, five hundred fifty-four".