22122003651 has 16 divisors (see below), whose sum is σ = 33215443968. Its totient is φ = 12974781600.

The previous prime is 22122003649. The next prime is 22122003679. The reversal of 22122003651 is 15630022122.

It is not a de Polignac number, because 22122003651 - 2¹ = 22122003649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22122003611) 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, 10811296 + ... + 10813341.

It is an arithmetic number, because the mean of its divisors is an integer number (2075965248).

Almost surely, 2^22122003651 is an apocalyptic number.

22122003651 is a deficient number, since it is larger than the sum of its proper divisors (11093440317).

22122003651 is a wasteful number, since it uses less digits than its factorization.

22122003651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21624682.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 22122003651 its reverse (15630022122), we get a palindrome (37752025773).

The spelling of 22122003651 in words is "twenty-two billion, one hundred twenty-two million, three thousand, six hundred fifty-one".