22827903557 has 2 divisors, whose sum is σ = 22827903558. Its totient is φ = 22827903556.

The previous prime is 22827903541. The next prime is 22827903559. The reversal of 22827903557 is 75530972822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18055028161 + 4772875396 = 134369^2 + 69086^2 .

It is a cyclic number.

It is not a de Polignac number, because 22827903557 - 2⁴ = 22827903541 is a prime.

It is a super-2 number, since 2×22827903557² (a number of 22 digits) contains 22 as substring.

Together with 22827903559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22827903559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11413951778 + 11413951779.

It is an arithmetic number, because the mean of its divisors is an integer number (11413951779).

Almost surely, 2^22827903557 is an apocalyptic number.

It is an amenable number.

22827903557 is a deficient number, since it is larger than the sum of its proper divisors (1).

22827903557 is an equidigital number, since it uses as much as digits as its factorization.

22827903557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 22827903557 in words is "twenty-two billion, eight hundred twenty-seven million, nine hundred three thousand, five hundred fifty-seven".