1633222 has 12 divisors (see below), whose sum is σ = 2539836. Its totient is φ = 787640.

The previous prime is 1633211. The next prime is 1633223. The reversal of 1633222 is 2223361.

It is a self number, because there is not a number n which added to its sum of digits gives 1633222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1633223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1197 + ... + 2167.

It is an arithmetic number, because the mean of its divisors is an integer number (211653).

2^1633222 is an apocalyptic number.

1633222 is a deficient number, since it is larger than the sum of its proper divisors (906614).

1633222 is an equidigital number, since it uses as much as digits as its factorization.

1633222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1002 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 1633222 is about 1277.9757431188. The cubic root of 1633222 is about 117.7646847384.

Adding to 1633222 its reverse (2223361), we get a palindrome (3856583).

It can be divided in two parts, 1633 and 222, that multiplied together give a triangular number (362526 = T₈₅₁).

The spelling of 1633222 in words is "one million, six hundred thirty-three thousand, two hundred twenty-two".