1622238 has 16 divisors (see below), whose sum is σ = 3265920. Its totient is φ = 537176.

The previous prime is 1622233. The next prime is 1622263. The reversal of 1622238 is 8322261.

It is a super-2 number, since 2×1622238² = 5263312257288, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 193 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (204120).

2^1622238 is an apocalyptic number.

1622238 is an abundant number, since it is smaller than the sum of its proper divisors (1643682).

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

1622238 is a wasteful number, since it uses less digits than its factorization.

1622238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791.

The product of its digits is 1152, while the sum is 24.

The square root of 1622238 is about 1273.6710721375. The cubic root of 1622238 is about 117.5000875207.

Adding to 1622238 its reverse (8322261), we get a palindrome (9944499).

The spelling of 1622238 in words is "one million, six hundred twenty-two thousand, two hundred thirty-eight".