2220551667 has 12 divisors (see below), whose sum is σ = 3209510304. Its totient is φ = 1479423120.

The previous prime is 2220551659. The next prime is 2220551681. The reversal of 2220551667 is 7661550222.

2220551667 is a `hidden beast` number, since 22 + 20 + 551 + 6 + 67 = 666.

It is not a de Polignac number, because 2220551667 - 2³ = 2220551659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2220551617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63684 + ... + 92177.

It is an arithmetic number, because the mean of its divisors is an integer number (267459192).

Almost surely, 2^2220551667 is an apocalyptic number.

2220551667 is a deficient number, since it is larger than the sum of its proper divisors (988958637).

2220551667 is a wasteful number, since it uses less digits than its factorization.

2220551667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157450 (or 157447 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 2220551667 is about 47122.7298339135. The cubic root of 2220551667 is about 1304.6287982855.

The spelling of 2220551667 in words is "two billion, two hundred twenty million, five hundred fifty-one thousand, six hundred sixty-seven".