1022250251233 has 4 divisors (see below), whose sum is σ = 1023760222740. Its totient is φ = 1020740279728.

The previous prime is 1022250251213. The next prime is 1022250251249. The reversal of 1022250251233 is 3321520522201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 934889808609 + 87360442624 = 966897^2 + 295568^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022250251233 - 2³⁷ = 884811297761 is a prime.

It is a super-2 number, since 2×1022250251233² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022250251203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754984738 + ... + 754986091.

It is an arithmetic number, because the mean of its divisors is an integer number (255940055685).

Almost surely, 2^{1022250251233} is an apocalyptic number.

It is an amenable number.

1022250251233 is a deficient number, since it is larger than the sum of its proper divisors (1509971507).

1022250251233 is an equidigital number, since it uses as much as digits as its factorization.

1022250251233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509971506.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 1022250251233 its reverse (3321520522201), we get a palindrome (4343770773434).

The spelling of 1022250251233 in words is "one trillion, twenty-two billion, two hundred fifty million, two hundred fifty-one thousand, two hundred thirty-three".