146123222 has 16 divisors (see below), whose sum is σ = 250821792. Its totient is φ = 62543040.

The previous prime is 146123207. The next prime is 146123231. The reversal of 146123222 is 222321641.

It is a happy number.

It is a super-2 number, since 2×146123222² = 42703992015322568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5138 + ... + 17850.

It is an arithmetic number, because the mean of its divisors is an integer number (15676362).

Almost surely, 2^146123222 is an apocalyptic number.

146123222 is a deficient number, since it is larger than the sum of its proper divisors (104698570).

146123222 is a wasteful number, since it uses less digits than its factorization.

146123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13543.

The product of its digits is 1152, while the sum is 23.

The square root of 146123222 is about 12088.1438608250. The cubic root of 146123222 is about 526.7118386899.

Adding to 146123222 its reverse (222321641), we get a palindrome (368444863).

The spelling of 146123222 in words is "one hundred forty-six million, one hundred twenty-three thousand, two hundred twenty-two".