1822953 has 16 divisors (see below), whose sum is σ = 2725056. Its totient is φ = 1074240.

The previous prime is 1822943. The next prime is 1822963. The reversal of 1822953 is 3592281.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1822943) and next prime (1822963).

It is not a de Polignac number, because 1822953 - 2⁹ = 1822441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1822953.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475 + ... + 1967.

It is an arithmetic number, because the mean of its divisors is an integer number (170316).

2^1822953 is an apocalyptic number.

It is an amenable number.

1822953 is a deficient number, since it is larger than the sum of its proper divisors (902103).

1822953 is a wasteful number, since it uses less digits than its factorization.

1822953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544.

The product of its digits is 4320, while the sum is 30.

The square root of 1822953 is about 1350.1677673534. The cubic root of 1822953 is about 122.1589123296.

It can be divided in two parts, 1822 and 953, that added together give a triangular number (2775 = T₇₄).

The spelling of 1822953 in words is "one million, eight hundred twenty-two thousand, nine hundred fifty-three".