22042355551 has 16 divisors (see below), whose sum is σ = 22602178368. Its totient is φ = 21489696000.

The previous prime is 22042355549. The next prime is 22042355557. The reversal of 22042355551 is 15555324022.

It is a cyclic number.

It is not a de Polignac number, because 22042355551 - 2¹ = 22042355549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22042355557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3796851 + ... + 3802651.

It is an arithmetic number, because the mean of its divisors is an integer number (1412636148).

Almost surely, 2^22042355551 is an apocalyptic number.

22042355551 is a deficient number, since it is larger than the sum of its proper divisors (559822817).

22042355551 is a wasteful number, since it uses less digits than its factorization.

22042355551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 22042355551 its reverse (15555324022), we get a palindrome (37597679573).

The spelling of 22042355551 in words is "twenty-two billion, forty-two million, three hundred fifty-five thousand, five hundred fifty-one".