1622231 has 12 divisors (see below), whose sum is σ = 1822680. Its totient is φ = 1441440.

The previous prime is 1622209. The next prime is 1622233. The reversal of 1622231 is 1322261.

It is not a de Polignac number, because 1622231 - 2¹⁸ = 1360087 is a prime.

It is a super-2 number, since 2×1622231² = 5263266834722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4736 + ... + 5066.

It is an arithmetic number, because the mean of its divisors is an integer number (151890).

2^1622231 is an apocalyptic number.

1622231 is a deficient number, since it is larger than the sum of its proper divisors (200449).

1622231 is a wasteful number, since it uses less digits than its factorization.

1622231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 373 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 1622231 is about 1273.6683241723. The cubic root of 1622231 is about 117.4999185151.

Adding to 1622231 its reverse (1322261), we get a palindrome (2944492).

The spelling of 1622231 in words is "one million, six hundred twenty-two thousand, two hundred thirty-one".