2253564278 has 8 divisors (see below), whose sum is σ = 3863253072. Its totient is φ = 965813256.

The previous prime is 2253564263. The next prime is 2253564289. The reversal of 2253564278 is 8724653522.

It is a happy number.

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

It is a super-2 number, since 2×2253564278² = 10157103910155322568, 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, 80484425 + ... + 80484452.

It is an arithmetic number, because the mean of its divisors is an integer number (482906634).

Almost surely, 2^2253564278 is an apocalyptic number.

2253564278 is a deficient number, since it is larger than the sum of its proper divisors (1609688794).

2253564278 is a wasteful number, since it uses less digits than its factorization.

2253564278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160968886.

The product of its digits is 806400, while the sum is 44.

The square root of 2253564278 is about 47471.7208240864. The cubic root of 2253564278 is about 1311.0622617542.

The spelling of 2253564278 in words is "two billion, two hundred fifty-three million, five hundred sixty-four thousand, two hundred seventy-eight".