2223490 has 8 divisors (see below), whose sum is σ = 4002300. Its totient is φ = 889392.

The previous prime is 2223469. The next prime is 2223493. The reversal of 2223490 is 943222.

It can be written as a sum of positive squares in 2 ways, for example, as 2211169 + 12321 = 1487^2 + 111^2 .

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁶ + 2²⁰ + 2²⁰ + 3¹⁰ + 4⁵ + 9³ + 0 .

It is not an unprimeable number, because it can be changed into a prime (2223493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111165 + ... + 111184.

2^2223490 is an apocalyptic number.

2223490 is a deficient number, since it is larger than the sum of its proper divisors (1778810).

2223490 is a wasteful number, since it uses less digits than its factorization.

2223490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222356.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2223490 is about 1491.1371499631. The cubic root of 2223490 is about 130.5203992323.

The spelling of 2223490 in words is "two million, two hundred twenty-three thousand, four hundred ninety".