1022431049 has 2 divisors, whose sum is σ = 1022431050. Its totient is φ = 1022431048.

The previous prime is 1022430991. The next prime is 1022431061. The reversal of 1022431049 is 9401342201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 734789449 + 287641600 = 27107^2 + 16960^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022431049 - 2²⁴ = 1005653833 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022431549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511215524 + 511215525.

It is an arithmetic number, because the mean of its divisors is an integer number (511215525).

Almost surely, 2^1022431049 is an apocalyptic number.

It is an amenable number.

1022431049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022431049 is an equidigital number, since it uses as much as digits as its factorization.

1022431049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1022431049 is about 31975.4757431379. The cubic root of 1022431049 is about 1007.4217969910.

The spelling of 1022431049 in words is "one billion, twenty-two million, four hundred thirty-one thousand, forty-nine".