2261420 has 48 divisors (see below), whose sum is σ = 5624640. Its totient is φ = 747264.

The previous prime is 2261407. The next prime is 2261447. The reversal of 2261420 is 241622.

It is a super-2 number, since 2×2261420² = 10228040832800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3782 + ... + 4338.

It is an arithmetic number, because the mean of its divisors is an integer number (117180).

2^2261420 is an apocalyptic number.

2261420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2261420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2812320).

2261420 is an abundant number, since it is smaller than the sum of its proper divisors (3363220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2261420 is a wasteful number, since it uses less digits than its factorization.

2261420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2261420 is about 1503.8018486490. The cubic root of 2261420 is about 131.2583909979.

The spelling of 2261420 in words is "two million, two hundred sixty-one thousand, four hundred twenty".