22061422555 has 32 divisors (see below), whose sum is σ = 27937271808. Its totient is φ = 16691875200.

The previous prime is 22061422547. The next prime is 22061422571. The reversal of 22061422555 is 55522416022.

It is not a de Polignac number, because 22061422555 - 2³ = 22061422547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22061422555.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3806710 + ... + 3812500.

It is an arithmetic number, because the mean of its divisors is an integer number (873039744).

Almost surely, 2^22061422555 is an apocalyptic number.

22061422555 is a deficient number, since it is larger than the sum of its proper divisors (5875849253).

22061422555 is a wasteful number, since it uses less digits than its factorization.

22061422555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6187.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 22061422555 its reverse (55522416022), we get a palindrome (77583838577).

The spelling of 22061422555 in words is "twenty-two billion, sixty-one million, four hundred twenty-two thousand, five hundred fifty-five".