1622562 has 32 divisors (see below), whose sum is σ = 3505920. Its totient is φ = 498960.

The previous prime is 1622557. The next prime is 1622573. The reversal of 1622562 is 2652261.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4737 + ... + 5067.

It is an arithmetic number, because the mean of its divisors is an integer number (109560).

2^1622562 is an apocalyptic number.

1622562 is an abundant number, since it is smaller than the sum of its proper divisors (1883358).

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

1622562 is a wasteful number, since it uses less digits than its factorization.

1622562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398.

The product of its digits is 1440, while the sum is 24.

The square root of 1622562 is about 1273.7982571820. The cubic root of 1622562 is about 117.5079095324.

It can be divided in two parts, 16 and 22562, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 1622562 in words is "one million, six hundred twenty-two thousand, five hundred sixty-two".