1822152 has 32 divisors (see below), whose sum is σ = 4754880. Its totient is φ = 580800.

The previous prime is 1822147. The next prime is 1822169. The reversal of 1822152 is 2512281.

It is a happy number.

It is a super-2 number, since 2×1822152² = 6640475822208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

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, 1099 + ... + 2202.

It is an arithmetic number, because the mean of its divisors is an integer number (148590).

2^1822152 is an apocalyptic number.

1822152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1822152 is an abundant number, since it is smaller than the sum of its proper divisors (2932728).

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

1822152 is a wasteful number, since it uses less digits than its factorization.

1822152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333 (or 3329 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 1822152 is about 1349.8711049578. The cubic root of 1822152 is about 122.1410176236.

The spelling of 1822152 in words is "one million, eight hundred twenty-two thousand, one hundred fifty-two".