1622259 has 24 divisors (see below), whose sum is σ = 2594592. Its totient is φ = 971520.

The previous prime is 1622233. The next prime is 1622263. The reversal of 1622259 is 9522261.

It is a de Polignac number, because none of the positive numbers 2^k-1622259 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

1622259 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3289 + ... + 3749.

It is an arithmetic number, because the mean of its divisors is an integer number (108108).

2^1622259 is an apocalyptic number.

1622259 is a deficient number, since it is larger than the sum of its proper divisors (972333).

1622259 is a wasteful number, since it uses less digits than its factorization.

1622259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 504 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1622259 is about 1273.6793159976. The cubic root of 1622259 is about 117.5005945345.

It can be divided in two parts, 1622 and 259, that added together give a palindrome (1881).

The spelling of 1622259 in words is "one million, six hundred twenty-two thousand, two hundred fifty-nine".