22022020555 has 8 divisors (see below), whose sum is σ = 26436275712. Its totient is φ = 17611049088.

The previous prime is 22022020549. The next prime is 22022020561. The reversal of 22022020555 is 55502022022.

It is an interprime number because it is at equal distance from previous prime (22022020549) and next prime (22022020561).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22022020555 - 2¹⁹ = 22021496267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806142 + ... + 833011.

It is an arithmetic number, because the mean of its divisors is an integer number (3304534464).

Almost surely, 2^22022020555 is an apocalyptic number.

22022020555 is a deficient number, since it is larger than the sum of its proper divisors (4414255157).

22022020555 is a wasteful number, since it uses less digits than its factorization.

22022020555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641845.

The product of its (nonzero) digits is 4000, while the sum is 25.

Adding to 22022020555 its reverse (55502022022), we get a palindrome (77524042577).

The spelling of 22022020555 in words is "twenty-two billion, twenty-two million, twenty thousand, five hundred fifty-five".