222101031 has 8 divisors (see below), whose sum is σ = 297228544. Its totient is φ = 147520440.

The previous prime is 222101023. The next prime is 222101057. The reversal of 222101031 is 130101222.

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

It is not a de Polignac number, because 222101031 - 2³ = 222101023 is a prime.

It is a super-2 number, since 2×222101031² = 98657735942525922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222100998 and 222101016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101531) 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, 135781 + ... + 137406.

It is an arithmetic number, because the mean of its divisors is an integer number (37153568).

Almost surely, 2^222101031 is an apocalyptic number.

222101031 is a deficient number, since it is larger than the sum of its proper divisors (75127513).

222101031 is a wasteful number, since it uses less digits than its factorization.

222101031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273461.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 222101031 is about 14903.0544184741. The cubic root of 222101031 is about 605.5967347221.

Adding to 222101031 its reverse (130101222), we get a palindrome (352202253).

The spelling of 222101031 in words is "two hundred twenty-two million, one hundred one thousand, thirty-one".