2220477 has 16 divisors (see below), whose sum is σ = 3463680. Its totient is φ = 1238832.

The previous prime is 2220467. The next prime is 2220479. The reversal of 2220477 is 7740222.

It is not a de Polignac number, because 2220477 - 2⁷ = 2220349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327 + ... + 2132.

It is an arithmetic number, because the mean of its divisors is an integer number (216480).

2^2220477 is an apocalyptic number.

It is an amenable number.

2220477 is a deficient number, since it is larger than the sum of its proper divisors (1243203).

2220477 is a wasteful number, since it uses less digits than its factorization.

2220477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 2220477 is about 1490.1265046968. The cubic root of 2220477 is about 130.4614175221.

Adding to 2220477 its reverse (7740222), we get a palindrome (9960699).

The spelling of 2220477 in words is "two million, two hundred twenty thousand, four hundred seventy-seven".