1022941897 has 2 divisors, whose sum is σ = 1022941898. Its totient is φ = 1022941896.

The previous prime is 1022941847. The next prime is 1022941939. The reversal of 1022941897 is 7981492201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 800663616 + 222278281 = 28296^2 + 14909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022941897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022941807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511470948 + 511470949.

It is an arithmetic number, because the mean of its divisors is an integer number (511470949).

Almost surely, 2^1022941897 is an apocalyptic number.

It is an amenable number.

1022941897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022941897 is an equidigital number, since it uses as much as digits as its factorization.

1022941897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 1022941897 is about 31983.4628675508. The cubic root of 1022941897 is about 1007.5895519781.

The spelling of 1022941897 in words is "one billion, twenty-two million, nine hundred forty-one thousand, eight hundred ninety-seven".