222420012023 has 32 divisors (see below), whose sum is σ = 268974639360. Its totient is φ = 181529474560.

The previous prime is 222420012019. The next prime is 222420012043. The reversal of 222420012023 is 320210024222.

It is a cyclic number.

It is not a de Polignac number, because 222420012023 - 2² = 222420012019 is a prime.

It is a super-2 number, since 2×222420012023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222420011986 and 222420012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222420012043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203036 + ... + 697182.

It is an arithmetic number, because the mean of its divisors is an integer number (8405457480).

Almost surely, 2^222420012023 is an apocalyptic number.

222420012023 is a deficient number, since it is larger than the sum of its proper divisors (46554627337).

222420012023 is a wasteful number, since it uses less digits than its factorization.

222420012023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494287.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 222420012023 its reverse (320210024222), we get a palindrome (542630036245).

The spelling of 222420012023 in words is "two hundred twenty-two billion, four hundred twenty million, twelve thousand, twenty-three".