22233013157 has 2 divisors, whose sum is σ = 22233013158. Its totient is φ = 22233013156.

The previous prime is 22233013147. The next prime is 22233013199. The reversal of 22233013157 is 75131033222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18313126276 + 3919886881 = 135326^2 + 62609^2 .

It is a cyclic number.

It is not a de Polignac number, because 22233013157 - 2⁴ = 22233013141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22233013147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116506578 + 11116506579.

It is an arithmetic number, because the mean of its divisors is an integer number (11116506579).

Almost surely, 2^22233013157 is an apocalyptic number.

It is an amenable number.

22233013157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22233013157 is an equidigital number, since it uses as much as digits as its factorization.

22233013157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 22233013157 its reverse (75131033222), we get a palindrome (97364046379).

The spelling of 22233013157 in words is "twenty-two billion, two hundred thirty-three million, thirteen thousand, one hundred fifty-seven".