1022055225 has 24 divisors (see below), whose sum is σ = 1694683200. Its totient is φ = 543520320.

The previous prime is 1022055211. The next prime is 1022055227. The reversal of 1022055225 is 5225502201.

It is not a de Polignac number, because 1022055225 - 2⁵ = 1022055193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022055195 and 1022055204.

It is not an unprimeable number, because it can be changed into a prime (1022055227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6652 + ... + 45698.

It is an arithmetic number, because the mean of its divisors is an integer number (70611800).

Almost surely, 2^1022055225 is an apocalyptic number.

1022055225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1022055225 is a deficient number, since it is larger than the sum of its proper divisors (672627975).

1022055225 is a wasteful number, since it uses less digits than its factorization.

1022055225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39409 (or 39404 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 1022055225 is about 31969.5984491517. The cubic root of 1022055225 is about 1007.2983462248.

Adding to 1022055225 its reverse (5225502201), we get a palindrome (6247557426).

The spelling of 1022055225 in words is "one billion, twenty-two million, fifty-five thousand, two hundred twenty-five".