1972223 has 8 divisors (see below), whose sum is σ = 2204496. Its totient is φ = 1748800.

The previous prime is 1972207. The next prime is 1972231. The reversal of 1972223 is 3222791.

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

It is a cyclic number.

It is not a de Polignac number, because 1972223 - 2⁴ = 1972207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1972192 and 1972201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972283) 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, 1736 + ... + 2637.

It is an arithmetic number, because the mean of its divisors is an integer number (275562).

2^1972223 is an apocalyptic number.

1972223 is a deficient number, since it is larger than the sum of its proper divisors (232273).

1972223 is a wasteful number, since it uses less digits than its factorization.

1972223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425.

The product of its digits is 1512, while the sum is 26.

The square root of 1972223 is about 1404.3585724451. The cubic root of 1972223 is about 125.4061032127.

The spelling of 1972223 in words is "one million, nine hundred seventy-two thousand, two hundred twenty-three".