22244443057 has 2 divisors, whose sum is σ = 22244443058. Its totient is φ = 22244443056.

The previous prime is 22244443043. The next prime is 22244443063. The reversal of 22244443057 is 75034444222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16819236721 + 5425206336 = 129689^2 + 73656^2 .

It is a cyclic number.

It is not a de Polignac number, because 22244443057 - 2¹⁵ = 22244410289 is a prime.

It is a super-2 number, since 2×22244443057² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22244443027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122221528 + 11122221529.

It is an arithmetic number, because the mean of its divisors is an integer number (11122221529).

Almost surely, 2^22244443057 is an apocalyptic number.

It is an amenable number.

22244443057 is a deficient number, since it is larger than the sum of its proper divisors (1).

22244443057 is an equidigital number, since it uses as much as digits as its factorization.

22244443057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 37.

Adding to 22244443057 its reverse (75034444222), we get a palindrome (97278887279).

The spelling of 22244443057 in words is "twenty-two billion, two hundred forty-four million, four hundred forty-three thousand, fifty-seven".