2220149 has 8 divisors (see below), whose sum is σ = 2384280. Its totient is φ = 2059776.

The previous prime is 2220089. The next prime is 2220151. The reversal of 2220149 is 9410222.

It can be written as a sum of positive squares in 4 ways, for example, as 1249924 + 970225 = 1118^2 + 985^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347 + ... + 2135.

It is an arithmetic number, because the mean of its divisors is an integer number (298035).

2^2220149 is an apocalyptic number.

It is an amenable number.

2220149 is a deficient number, since it is larger than the sum of its proper divisors (164131).

2220149 is a wasteful number, since it uses less digits than its factorization.

2220149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2220149 is about 1490.0164428623. The cubic root of 2220149 is about 130.4549934592.

It can be divided in two parts, 22201 and 49, that multiplied together give a square (1087849 = 1043²).

The spelling of 2220149 in words is "two million, two hundred twenty thousand, one hundred forty-nine".