222021023 has 8 divisors (see below), whose sum is σ = 267093120. Its totient is φ = 180287640.

The previous prime is 222021017. The next prime is 222021067. The reversal of 222021023 is 320120222.

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 222021023 - 2¹⁰ = 222019999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222020989 and 222021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021073) 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, 834533 + ... + 834798.

It is an arithmetic number, because the mean of its divisors is an integer number (33386640).

Almost surely, 2^222021023 is an apocalyptic number.

222021023 is a deficient number, since it is larger than the sum of its proper divisors (45072097).

222021023 is a wasteful number, since it uses less digits than its factorization.

222021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669357.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 222021023 is about 14900.3698947375. The cubic root of 222021023 is about 605.5240074553.

Adding to 222021023 its reverse (320120222), we get a palindrome (542141245).

The spelling of 222021023 in words is "two hundred twenty-two million, twenty-one thousand, twenty-three".