1022056225 has 12 divisors (see below), whose sum is σ = 1270387440. Its totient is φ = 815685200.

The previous prime is 1022056213. The next prime is 1022056237. The reversal of 1022056225 is 5226502201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1022056213) and next prime (1022056237).

It is not a de Polignac number, because 1022056225 - 2¹⁷ = 1021925153 is a prime.

It is a super-2 number, since 2×1022056225² = 2089197854122501250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1022056225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38311 + ... + 59260.

It is an arithmetic number, because the mean of its divisors is an integer number (105865620).

Almost surely, 2^1022056225 is an apocalyptic number.

It is an amenable number.

1022056225 is a deficient number, since it is larger than the sum of its proper divisors (248331215).

1022056225 is an equidigital number, since it uses as much as digits as its factorization.

1022056225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98000 (or 97995 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1022056225 is about 31969.6140890065. The cubic root of 1022056225 is about 1007.2986747452.

Adding to 1022056225 its reverse (5226502201), we get a palindrome (6248558426).

The spelling of 1022056225 in words is "one billion, twenty-two million, fifty-six thousand, two hundred twenty-five".