2261455 has 8 divisors (see below), whose sum is σ = 3101472. Its totient is φ = 1550688.

The previous prime is 2261447. The next prime is 2261461. The reversal of 2261455 is 5541622.

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 2261455 - 2³ = 2261447 is a prime.

It is a super-2 number, since 2×2261455² = 10228357434050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32272 + ... + 32341.

It is an arithmetic number, because the mean of its divisors is an integer number (387684).

2^2261455 is an apocalyptic number.

2261455 is a deficient number, since it is larger than the sum of its proper divisors (840017).

2261455 is an equidigital number, since it uses as much as digits as its factorization.

2261455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64625.

The product of its digits is 2400, while the sum is 25.

The square root of 2261455 is about 1503.8134857754. The cubic root of 2261455 is about 131.2590681565.

It can be divided in two parts, 226 and 1455, that added together give a square (1681 = 41²).

The spelling of 2261455 in words is "two million, two hundred sixty-one thousand, four hundred fifty-five".