1021252022 has 24 divisors (see below), whose sum is σ = 1830148704. Its totient is φ = 425848752.

The previous prime is 1021252007. The next prime is 1021252031. The reversal of 1021252022 is 2202521201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137198 + ... + 144449.

It is an arithmetic number, because the mean of its divisors is an integer number (76256196).

Almost surely, 2^1021252022 is an apocalyptic number.

1021252022 is a deficient number, since it is larger than the sum of its proper divisors (808896682).

1021252022 is a wasteful number, since it uses less digits than its factorization.

1021252022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281700 (or 281693 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1021252022 is about 31957.0339987928. The cubic root of 1021252022 is about 1007.0344084041.

Adding to 1021252022 its reverse (2202521201), we get a palindrome (3223773223).

The spelling of 1021252022 in words is "one billion, twenty-one million, two hundred fifty-two thousand, twenty-two".