2261901 has 8 divisors (see below), whose sum is σ = 3193344. Its totient is φ = 1419200.

The previous prime is 2261891. The next prime is 2261911. The reversal of 2261901 is 1091622.

It is an interprime number because it is at equal distance from previous prime (2261891) and next prime (2261911).

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

It is a cyclic number.

It is not a de Polignac number, because 2261901 - 2⁶ = 2261837 is a prime.

It is a super-2 number, since 2×2261901² = 10232392267602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261911) 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, 22125 + ... + 22226.

It is an arithmetic number, because the mean of its divisors is an integer number (399168).

2^2261901 is an apocalyptic number.

It is an amenable number.

2261901 is a deficient number, since it is larger than the sum of its proper divisors (931443).

2261901 is a wasteful number, since it uses less digits than its factorization.

2261901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44371.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 2261901 is about 1503.9617681311. The cubic root of 2261901 is about 131.2676964801.

The spelling of 2261901 in words is "two million, two hundred sixty-one thousand, nine hundred one".