2272690 has 16 divisors (see below), whose sum is σ = 4675392. Its totient is φ = 779184.

The previous prime is 2272667. The next prime is 2272691. The reversal of 2272690 is 962722.

2272690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2272690² = 10330239672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2272691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16164 + ... + 16303.

It is an arithmetic number, because the mean of its divisors is an integer number (292212).

2^2272690 is an apocalyptic number.

2272690 is an abundant number, since it is smaller than the sum of its proper divisors (2402702).

2272690 is a wasteful number, since it uses less digits than its factorization.

2272690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32481.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2272690 is about 1507.5443608730. The cubic root of 2272690 is about 131.4760759727.

The spelling of 2272690 in words is "two million, two hundred seventy-two thousand, six hundred ninety".