22142230451 has 16 divisors (see below), whose sum is σ = 24307819008. Its totient is φ = 20002485600.

The previous prime is 22142230427. The next prime is 22142230459. The reversal of 22142230451 is 15403224122.

It is a cyclic number.

It is not a de Polignac number, because 22142230451 - 2¹⁰ = 22142229427 is a prime.

It is a super-3 number, since 3×22142230451³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22142230451.

It is not an unprimeable number, because it can be changed into a prime (22142230459) 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, 1132781 + ... + 1152161.

It is an arithmetic number, because the mean of its divisors is an integer number (1519238688).

Almost surely, 2^22142230451 is an apocalyptic number.

22142230451 is a deficient number, since it is larger than the sum of its proper divisors (2165588557).

22142230451 is a wasteful number, since it uses less digits than its factorization.

22142230451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20042.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 22142230451 its reverse (15403224122), we get a palindrome (37545454573).

The spelling of 22142230451 in words is "twenty-two billion, one hundred forty-two million, two hundred thirty thousand, four hundred fifty-one".