2223942 has 16 divisors (see below), whose sum is σ = 5083392. Its totient is φ = 635400.

The previous prime is 2223937. The next prime is 2223943. The reversal of 2223942 is 2493222.

It is a d-powerful number, because it can be written as 2 + 2¹⁶ + 2²⁰ + 3⁷ + 9⁵ + 4² + 2²⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223943) 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, 26434 + ... + 26517.

It is an arithmetic number, because the mean of its divisors is an integer number (317712).

2^2223942 is an apocalyptic number.

2223942 is an abundant number, since it is smaller than the sum of its proper divisors (2859450).

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

2223942 is a wasteful number, since it uses less digits than its factorization.

2223942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52963.

The product of its digits is 1728, while the sum is 24.

The square root of 2223942 is about 1491.2887044432. The cubic root of 2223942 is about 130.5292428705.

The spelling of 2223942 in words is "two million, two hundred twenty-three thousand, nine hundred forty-two".