2249121 has 8 divisors (see below), whose sum is σ = 3427264. Its totient is φ = 1285200.

The previous prime is 2249113. The next prime is 2249141. The reversal of 2249121 is 1219422.

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

It is not a de Polignac number, because 2249121 - 2³ = 2249113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 107101 = 2249121 / (2 + 2 + 4 + 9 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2249141) 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, 53530 + ... + 53571.

It is an arithmetic number, because the mean of its divisors is an integer number (428408).

2^2249121 is an apocalyptic number.

2249121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2249121 is a deficient number, since it is larger than the sum of its proper divisors (1178143).

2249121 is a wasteful number, since it uses less digits than its factorization.

2249121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107111.

The product of its digits is 288, while the sum is 21.

The square root of 2249121 is about 1499.7069713781. The cubic root of 2249121 is about 131.0200035494.

The spelling of 2249121 in words is "two million, two hundred forty-nine thousand, one hundred twenty-one".