2261612 has 24 divisors (see below), whose sum is σ = 4253760. Its totient is φ = 1048320.

The previous prime is 2261603. The next prime is 2261617. The reversal of 2261612 is 2161622.

It is a happy number.

It is a super-2 number, since 2×2261612² = 10229777677088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261617) 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, 5162 + ... + 5582.

It is an arithmetic number, because the mean of its divisors is an integer number (177240).

2^2261612 is an apocalyptic number.

It is an amenable number.

2261612 is a deficient number, since it is larger than the sum of its proper divisors (1992148).

2261612 is a wasteful number, since it uses less digits than its factorization.

2261612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 519 counting only the distinct ones).

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

The square root of 2261612 is about 1503.8656854919. The cubic root of 2261612 is about 131.2621056106.

The spelling of 2261612 in words is "two million, two hundred sixty-one thousand, six hundred twelve".