2229273656 has 8 divisors (see below), whose sum is σ = 4179888120. Its totient is φ = 1114636824.

The previous prime is 2229273637. The next prime is 2229273659. The reversal of 2229273656 is 6563729222.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2229273656² = 9939322066671212672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229273659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139329596 + ... + 139329611.

It is an arithmetic number, because the mean of its divisors is an integer number (522486015).

Almost surely, 2^2229273656 is an apocalyptic number.

It is an amenable number.

2229273656 is a deficient number, since it is larger than the sum of its proper divisors (1950614464).

2229273656 is a wasteful number, since it uses less digits than its factorization.

2229273656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278659213 (or 278659209 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 2229273656 is about 47215.1845914003. The cubic root of 2229273656 is about 1306.3346945199.

The spelling of 2229273656 in words is "two billion, two hundred twenty-nine million, two hundred seventy-three thousand, six hundred fifty-six".