146222824 has 16 divisors (see below), whose sum is σ = 299092320. Its totient is φ = 66464880.

The previous prime is 146222821. The next prime is 146222861. The reversal of 146222824 is 428222641.

It is a super-2 number, since 2×146222824² = 42762228517069952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146222821) 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, 830724 + ... + 830899.

It is an arithmetic number, because the mean of its divisors is an integer number (18693270).

Almost surely, 2^146222824 is an apocalyptic number.

It is an amenable number.

146222824 is an abundant number, since it is smaller than the sum of its proper divisors (152869496).

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

146222824 is a wasteful number, since it uses less digits than its factorization.

146222824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661640 (or 1661636 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

The square root of 146222824 is about 12092.2629809312. The cubic root of 146222824 is about 526.8314857397.

The spelling of 146222824 in words is "one hundred forty-six million, two hundred twenty-two thousand, eight hundred twenty-four".