1622049 has 32 divisors (see below), whose sum is σ = 2688000. Its totient is φ = 855360.

The previous prime is 1622041. The next prime is 1622053. The reversal of 1622049 is 9402261.

It is not a de Polignac number, because 1622049 - 2³ = 1622041 is a prime.

It is a Curzon number.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 8052 + ... + 8250.

It is an arithmetic number, because the mean of its divisors is an integer number (84000).

2^1622049 is an apocalyptic number.

1622049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1622049 is a deficient number, since it is larger than the sum of its proper divisors (1065951).

1622049 is a wasteful number, since it uses less digits than its factorization.

1622049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1622049 is about 1273.5968749962. The cubic root of 1622049 is about 117.4955241995.

It can be divided in two parts, 162 and 2049, that added together give a triangular number (2211 = T₆₆).

The spelling of 1622049 in words is "one million, six hundred twenty-two thousand, forty-nine".