1002422025 has 72 divisors (see below), whose sum is σ = 1964847456. Its totient is φ = 484492800.

The previous prime is 1002421993. The next prime is 1002422077. The reversal of 1002422025 is 5202242001.

It is not a de Polignac number, because 1002422025 - 2⁵ = 1002421993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002421989 and 1002422007.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1467334 + ... + 1468016.

It is an arithmetic number, because the mean of its divisors is an integer number (27289548).

Almost surely, 2^1002422025 is an apocalyptic number.

1002422025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1002422025 is a deficient number, since it is larger than the sum of its proper divisors (962425431).

1002422025 is a wasteful number, since it uses less digits than its factorization.

1002422025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1002422025 is about 31661.0490192602. The cubic root of 1002422025 is about 1000.8066907417.

Adding to 1002422025 its reverse (5202242001), we get a palindrome (6204664026).

The spelling of 1002422025 in words is "one billion, two million, four hundred twenty-two thousand, twenty-five".