2261442 has 16 divisors (see below), whose sum is σ = 4789152. Its totient is φ = 709440.

The previous prime is 2261407. The next prime is 2261447. The reversal of 2261442 is 2441622.

It is a super-2 number, since 2×2261442² = 10228239838728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2261447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10984 + ... + 11187.

It is an arithmetic number, because the mean of its divisors is an integer number (299322).

2^2261442 is an apocalyptic number.

2261442 is an abundant number, since it is smaller than the sum of its proper divisors (2527710).

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

2261442 is a wasteful number, since it uses less digits than its factorization.

2261442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22193.

The product of its digits is 768, while the sum is 21.

The square root of 2261442 is about 1503.8091634247. The cubic root of 2261442 is about 131.2588166413.

The spelling of 2261442 in words is "two million, two hundred sixty-one thousand, four hundred forty-two".