22420623754 has 4 divisors (see below), whose sum is σ = 33630935634. Its totient is φ = 11210311876.

The previous prime is 22420623739. The next prime is 22420623779. The reversal of 22420623754 is 45732602422.

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., 22418174529 + 2449225 = 149727^2 + 1565^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605155937 + ... + 5605155940.

Almost surely, 2^22420623754 is an apocalyptic number.

22420623754 is a deficient number, since it is larger than the sum of its proper divisors (11210311880).

22420623754 is a wasteful number, since it uses less digits than its factorization.

22420623754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11210311879.

The product of its (nonzero) digits is 161280, while the sum is 37.

The spelling of 22420623754 in words is "twenty-two billion, four hundred twenty million, six hundred twenty-three thousand, seven hundred fifty-four".