2222146 has 8 divisors (see below), whose sum is σ = 3423420. Its totient is φ = 1081008.

The previous prime is 2222141. The next prime is 2222147. The reversal of 2222146 is 6412222.

It can be written as a sum of positive squares in 2 ways, for example, as 1590121 + 632025 = 1261^2 + 795^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2222141) 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, 14941 + ... + 15088.

2^2222146 is an apocalyptic number.

2222146 is a deficient number, since it is larger than the sum of its proper divisors (1201274).

2222146 is a wasteful number, since it uses less digits than its factorization.

2222146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30068.

The product of its digits is 384, while the sum is 19.

The square root of 2222146 is about 1490.6864190701. The cubic root of 2222146 is about 130.4940960223.

Adding to 2222146 its reverse (6412222), we get a palindrome (8634368).

The spelling of 2222146 in words is "two million, two hundred twenty-two thousand, one hundred forty-six".