222545031 has 8 divisors (see below), whose sum is σ = 296799360. Its totient is φ = 148327032.

The previous prime is 222545003. The next prime is 222545051. The reversal of 222545031 is 130545222.

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

It is not a de Polignac number, because 222545031 - 2¹⁵ = 222512263 is a prime.

It is a super-2 number, since 2×222545031² = 99052581645581922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222544992 and 222545010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222545051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12630 + ... + 24588.

It is an arithmetic number, because the mean of its divisors is an integer number (37099920).

Almost surely, 2^222545031 is an apocalyptic number.

222545031 is a deficient number, since it is larger than the sum of its proper divisors (74254329).

222545031 is a wasteful number, since it uses less digits than its factorization.

222545031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18165.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 222545031 is about 14917.9432563608. The cubic root of 222545031 is about 606.0000136152. Note that the first 4 decimals are identical.

The spelling of 222545031 in words is "two hundred twenty-two million, five hundred forty-five thousand, thirty-one".