222403431 has 8 divisors (see below), whose sum is σ = 297692784. Its totient is φ = 147691520.

The previous prime is 222403429. The next prime is 222403451. The reversal of 222403431 is 134304222.

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 222403431 - 2¹ = 222403429 is a prime.

It is a super-2 number, since 2×222403431² = 98926572241143522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222403398 and 222403407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222403421) 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, 143460 + ... + 145001.

It is an arithmetic number, because the mean of its divisors is an integer number (37211598).

Almost surely, 2^222403431 is an apocalyptic number.

222403431 is a deficient number, since it is larger than the sum of its proper divisors (75289353).

222403431 is a wasteful number, since it uses less digits than its factorization.

222403431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288721.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 222403431 is about 14913.1965386365. The cubic root of 222403431 is about 605.8714586474.

Adding to 222403431 its reverse (134304222), we get a palindrome (356707653).

The spelling of 222403431 in words is "two hundred twenty-two million, four hundred three thousand, four hundred thirty-one".