1002122231 has 16 divisors (see below), whose sum is σ = 1133114400. Its totient is φ = 877900800.

The previous prime is 1002122179. The next prime is 1002122243. The reversal of 1002122231 is 1322212001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1002122231 - 2²² = 997927927 is a prime.

It is a super-2 number, since 2×1002122231² = 2008497931728834722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002122281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178751 + ... + 184271.

It is an arithmetic number, because the mean of its divisors is an integer number (70819650).

Almost surely, 2^1002122231 is an apocalyptic number.

1002122231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1002122231 is a deficient number, since it is larger than the sum of its proper divisors (130992169).

1002122231 is a wasteful number, since it uses less digits than its factorization.

1002122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6130.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1002122231 is about 31656.3142358677. The cubic root of 1002122231 is about 1000.7069104931.

Adding to 1002122231 its reverse (1322212001), we get a palindrome (2324334232).

The spelling of 1002122231 in words is "one billion, two million, one hundred twenty-two thousand, two hundred thirty-one".