1253455022 has 8 divisors (see below), whose sum is σ = 1886229072. Its totient is φ = 624712000.

The previous prime is 1253455003. The next prime is 1253455037. The reversal of 1253455022 is 2205543521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1253455022² = 3142298984354040968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006979 + ... + 1008222.

It is an arithmetic number, because the mean of its divisors is an integer number (235778634).

Almost surely, 2^1253455022 is an apocalyptic number.

1253455022 is a deficient number, since it is larger than the sum of its proper divisors (632774050).

1253455022 is a wasteful number, since it uses less digits than its factorization.

1253455022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015514.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1253455022 is about 35404.1667321800. The cubic root of 1253455022 is about 1078.2089145713.

Adding to 1253455022 its reverse (2205543521), we get a palindrome (3458998543).

The spelling of 1253455022 in words is "one billion, two hundred fifty-three million, four hundred fifty-five thousand, twenty-two".