102222031 has 4 divisors (see below), whose sum is σ = 103897864. Its totient is φ = 100546200.

The previous prime is 102222023. The next prime is 102222047. The reversal of 102222031 is 130222201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130222201 = 6829 ⋅19069.

It is a cyclic number.

It is not a de Polignac number, because 102222031 - 2³ = 102222023 is a prime.

It is a super-2 number, since 2×102222031² = 20898687243529922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837825 + ... + 837946.

It is an arithmetic number, because the mean of its divisors is an integer number (25974466).

Almost surely, 2^102222031 is an apocalyptic number.

102222031 is a deficient number, since it is larger than the sum of its proper divisors (1675833).

102222031 is an equidigital number, since it uses as much as digits as its factorization.

102222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675832.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102222031 is about 10110.4911354494. The cubic root of 102222031 is about 467.5716473450.

Adding to 102222031 its reverse (130222201), we get a palindrome (232444232).

The spelling of 102222031 in words is "one hundred two million, two hundred twenty-two thousand, thirty-one".