1622264 has 32 divisors (see below), whose sum is σ = 3542400. Its totient is φ = 682080.

The previous prime is 1622263. The next prime is 1622273. The reversal of 1622264 is 4622261.

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 (1622263) 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, 3059 + ... + 3549.

It is an arithmetic number, because the mean of its divisors is an integer number (110700).

2^1622264 is an apocalyptic number.

1622264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1622264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1771200).

1622264 is an abundant number, since it is smaller than the sum of its proper divisors (1920136).

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

1622264 is a wasteful number, since it uses less digits than its factorization.

1622264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 559 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1622264 is about 1273.6812788135. The cubic root of 1622264 is about 117.5007152514.

The spelling of 1622264 in words is "one million, six hundred twenty-two thousand, two hundred sixty-four".