1000022057 has 2 divisors, whose sum is σ = 1000022058. Its totient is φ = 1000022056.

The previous prime is 1000022039. The next prime is 1000022069. The reversal of 1000022057 is 7502200001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 790959376 + 209062681 = 28124^2 + 14459^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000022057 - 2⁸ = 1000021801 is a prime.

It is a super-2 number, since 2×1000022057² = 2000088228973022498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000022027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500011028 + 500011029.

It is an arithmetic number, because the mean of its divisors is an integer number (500011029).

Almost surely, 2^1000022057 is an apocalyptic number.

It is an amenable number.

1000022057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000022057 is an equidigital number, since it uses as much as digits as its factorization.

1000022057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 1000022057 is about 31623.1253515525. The cubic root of 1000022057 is about 1000.0073522793.

Adding to 1000022057 its reverse (7502200001), we get a palindrome (8502222058).

The spelling of 1000022057 in words is "one billion, twenty-two thousand, fifty-seven".