1922997 has 8 divisors (see below), whose sum is σ = 2579040. Its totient is φ = 1274480.

The previous prime is 1922983. The next prime is 1923013. The reversal of 1922997 is 7992291.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1922997 - 2¹⁴ = 1906613 is a prime.

It is a super-3 number, since 3×1922997³ = 21333252557072762919, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254 + ... + 2327.

It is an arithmetic number, because the mean of its divisors is an integer number (322380).

2^1922997 is an apocalyptic number.

It is an amenable number.

1922997 is a deficient number, since it is larger than the sum of its proper divisors (656043).

1922997 is a wasteful number, since it uses less digits than its factorization.

1922997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763.

The product of its digits is 20412, while the sum is 39.

The square root of 1922997 is about 1386.7216735885. The cubic root of 1922997 is about 124.3539358956.

The spelling of 1922997 in words is "one million, nine hundred twenty-two thousand, nine hundred ninety-seven".