1622043 has 12 divisors (see below), whose sum is σ = 2406768. Its totient is φ = 1051920.

The previous prime is 1622041. The next prime is 1622053. The reversal of 1622043 is 3402261.

It is a happy number.

1622043 is a `hidden beast` number, since 1 + 622 + 0 + 43 = 666.

It is not a de Polignac number, because 1622043 - 2¹ = 1622041 is a prime.

1622043 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1622041) 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, 2103 + ... + 2768.

It is an arithmetic number, because the mean of its divisors is an integer number (200564).

2^1622043 is an apocalyptic number.

1622043 is a deficient number, since it is larger than the sum of its proper divisors (784725).

1622043 is a wasteful number, since it uses less digits than its factorization.

1622043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914 (or 4911 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1622043 is about 1273.5945194606. The cubic root of 1622043 is about 117.4953793264.

The spelling of 1622043 in words is "one million, six hundred twenty-two thousand, forty-three".