2229149 has 4 divisors (see below), whose sum is σ = 2400636. Its totient is φ = 2057664.

The previous prime is 2229133. The next prime is 2229167. The reversal of 2229149 is 9419222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 319225 + 1909924 = 565^2 + 1382^2 .

It is a cyclic number.

It is not a de Polignac number, because 2229149 - 2⁴ = 2229133 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 (2229119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85724 + ... + 85749.

It is an arithmetic number, because the mean of its divisors is an integer number (600159).

2^2229149 is an apocalyptic number.

It is an amenable number.

2229149 is a deficient number, since it is larger than the sum of its proper divisors (171487).

2229149 is a wasteful number, since it uses less digits than its factorization.

2229149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171486.

The product of its digits is 2592, while the sum is 29.

The square root of 2229149 is about 1493.0334892426. The cubic root of 2229149 is about 130.6310344961.

It can be divided in two parts, 22 and 29149, that multiplied together give a triangular number (641278 = T₁₁₃₂).

The spelling of 2229149 in words is "two million, two hundred twenty-nine thousand, one hundred forty-nine".