222244222431 has 48 divisors (see below), whose sum is σ = 381323061504. Its totient is φ = 112635600000.

The previous prime is 222244222429. The next prime is 222244222439. The reversal of 222244222431 is 134222442222.

It is a happy number.

It is not a de Polignac number, because 222244222431 - 2¹ = 222244222429 is a prime.

It is a super-2 number, since 2×222244222431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222244222439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 962445 + ... + 1170806.

It is an arithmetic number, because the mean of its divisors is an integer number (7944230448).

Almost surely, 2^222244222431 is an apocalyptic number.

222244222431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

222244222431 is a deficient number, since it is larger than the sum of its proper divisors (159078839073).

222244222431 is a wasteful number, since it uses less digits than its factorization.

222244222431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133324 (or 2133313 counting only the distinct ones).

The product of its digits is 24576, while the sum is 30.

Adding to 222244222431 its reverse (134222442222), we get a palindrome (356466664653).

The spelling of 222244222431 in words is "two hundred twenty-two billion, two hundred forty-four million, two hundred twenty-two thousand, four hundred thirty-one".