1022425279 has 12 divisors (see below), whose sum is σ = 1089007416. Its totient is φ = 959493392.

The previous prime is 1022425273. The next prime is 1022425297. The reversal of 1022425279 is 9725242201.

It is a happy number.

It is not a de Polignac number, because 1022425279 - 2¹³ = 1022417087 is a prime.

It is a super-2 number, since 2×1022425279² = 2090706902276455682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022425273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9804 + ... + 46270.

It is an arithmetic number, because the mean of its divisors is an integer number (90750618).

Almost surely, 2^1022425279 is an apocalyptic number.

1022425279 is a deficient number, since it is larger than the sum of its proper divisors (66582137).

1022425279 is an equidigital number, since it uses as much as digits as its factorization.

1022425279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36566 (or 36543 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1022425279 is about 31975.3855176134. The cubic root of 1022425279 is about 1007.4199018885.

The spelling of 1022425279 in words is "one billion, twenty-two million, four hundred twenty-five thousand, two hundred seventy-nine".