1022263825 has 12 divisors (see below), whose sum is σ = 1382844528. Its totient is φ = 743464400.

The previous prime is 1022263813. The next prime is 1022263829. The reversal of 1022263825 is 5283622201.

It is not a de Polignac number, because 1022263825 - 2⁵ = 1022263793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022263829) 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, 1858387 + ... + 1858936.

It is an arithmetic number, because the mean of its divisors is an integer number (115237044).

Almost surely, 2^1022263825 is an apocalyptic number.

It is an amenable number.

1022263825 is a deficient number, since it is larger than the sum of its proper divisors (360580703).

1022263825 is a wasteful number, since it uses less digits than its factorization.

1022263825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717344 (or 3717339 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1022263825 is about 31972.8607572110. The cubic root of 1022263825 is about 1007.3668709439.

It can be divided in two parts, 10222 and 63825, that added together give a palindrome (74047).

The spelling of 1022263825 in words is "one billion, twenty-two million, two hundred sixty-three thousand, eight hundred twenty-five".