2220448 has 12 divisors (see below), whose sum is σ = 4371570. Its totient is φ = 1110208.

The previous prime is 2220431. The next prime is 2220457. The reversal of 2220448 is 8440222.

It can be written as a sum of positive squares in only one way, i.e., 1774224 + 446224 = 1332^2 + 668^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34663 + ... + 34726.

2^2220448 is an apocalyptic number.

It is an amenable number.

2220448 is a deficient number, since it is larger than the sum of its proper divisors (2151122).

2220448 is an equidigital number, since it uses as much as digits as its factorization.

2220448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69399 (or 69391 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2220448 is about 1490.1167739476. The cubic root of 2220448 is about 130.4608495664.

It can be divided in two parts, 2 and 220448, that multiplied together give a square (440896 = 664²).

The spelling of 2220448 in words is "two million, two hundred twenty thousand, four hundred forty-eight".