2217277072 has 20 divisors (see below), whose sum is σ = 4299903360. Its totient is φ = 1107624608.

The previous prime is 2217277061. The next prime is 2217277079. The reversal of 2217277072 is 2707727122.

It is a super-2 number, since 2×2217277072² = 9832635228033786368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2217277079) 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, 45172 + ... + 80467.

It is an arithmetic number, because the mean of its divisors is an integer number (214995168).

Almost surely, 2^2217277072 is an apocalyptic number.

It is an amenable number.

2217277072 is a deficient number, since it is larger than the sum of its proper divisors (2082626288).

2217277072 is a wasteful number, since it uses less digits than its factorization.

2217277072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126750 (or 126744 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 37.

The square root of 2217277072 is about 47087.9716275823. The cubic root of 2217277072 is about 1303.9871810500.

The spelling of 2217277072 in words is "two billion, two hundred seventeen million, two hundred seventy-seven thousand, seventy-two".