1222046253 has 6 divisors (see below), whose sum is σ = 1765177934. Its totient is φ = 814697496.

The previous prime is 1222046183. The next prime is 1222046317. The reversal of 1222046253 is 3526402221.

It is a happy number.

1222046253 is a `hidden beast` number, since 12 + 2 + 20 + 4 + 625 + 3 = 666.

1222046253 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1212293124 + 9753129 = 34818^2 + 3123^2 .

It is not a de Polignac number, because 1222046253 - 2⁸ = 1222045997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222046053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67891450 + ... + 67891467.

Almost surely, 2^1222046253 is an apocalyptic number.

It is an amenable number.

1222046253 is a deficient number, since it is larger than the sum of its proper divisors (543131681).

1222046253 is a wasteful number, since it uses less digits than its factorization.

1222046253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135782923 (or 135782920 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1222046253 is about 34957.7781473594. The cubic root of 1222046253 is about 1069.1267959612.

Adding to 1222046253 its reverse (3526402221), we get a palindrome (4748448474).

The spelling of 1222046253 in words is "one billion, two hundred twenty-two million, forty-six thousand, two hundred fifty-three".