2220994767 has 24 divisors (see below), whose sum is σ = 3149942800. Its totient is φ = 1391717376.

The previous prime is 2220994757. The next prime is 2220994777. The reversal of 2220994767 is 7674990222.

It is an interprime number because it is at equal distance from previous prime (2220994757) and next prime (2220994777).

It is not a de Polignac number, because 2220994767 - 2⁴ = 2220994751 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 (2220994717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 977709 + ... + 979977.

Almost surely, 2^2220994767 is an apocalyptic number.

2220994767 is a deficient number, since it is larger than the sum of its proper divisors (928948033).

2220994767 is a wasteful number, since it uses less digits than its factorization.

2220994767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435 (or 3418 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 2220994767 is about 47127.4311521432. The cubic root of 2220994767 is about 1304.7155699021.

The spelling of 2220994767 in words is "two billion, two hundred twenty million, nine hundred ninety-four thousand, seven hundred sixty-seven".