1922553 has 12 divisors (see below), whose sum is σ = 2923440. Its totient is φ = 1214136.

The previous prime is 1922551. The next prime is 1922561. The reversal of 1922553 is 3552291.

It is not a de Polignac number, because 1922553 - 2¹ = 1922551 is a prime.

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

1922553 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1922551) 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, 5451 + ... + 5792.

It is an arithmetic number, because the mean of its divisors is an integer number (243620).

2^1922553 is an apocalyptic number.

It is an amenable number.

1922553 is a deficient number, since it is larger than the sum of its proper divisors (1000887).

1922553 is a wasteful number, since it uses less digits than its factorization.

1922553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11268 (or 11265 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 1922553 is about 1386.5615745433. The cubic root of 1922553 is about 124.3443644823.

The spelling of 1922553 in words is "one million, nine hundred twenty-two thousand, five hundred fifty-three".