2220308 has 6 divisors (see below), whose sum is σ = 3885546. Its totient is φ = 1110152.

The previous prime is 2220307. The next prime is 2220311. The reversal of 2220308 is 8030222.

It can be written as a sum of positive squares in only one way, i.e., 1926544 + 293764 = 1388^2 + 542^2 .

It is a super-2 number, since 2×2220308² = 9859535229728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277535 + ... + 277542.

It is an arithmetic number, because the mean of its divisors is an integer number (647591).

2^2220308 is an apocalyptic number.

It is an amenable number.

2220308 is a deficient number, since it is larger than the sum of its proper divisors (1665238).

2220308 is a wasteful number, since it uses less digits than its factorization.

2220308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555081 (or 555079 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2220308 is about 1490.0697970229. The cubic root of 2220308 is about 130.4581076419.

The spelling of 2220308 in words is "two million, two hundred twenty thousand, three hundred eight".