1022042231 has 16 divisors (see below), whose sum is σ = 1216535040. Its totient is φ = 840339360.

The previous prime is 1022042209. The next prime is 1022042233. The reversal of 1022042231 is 1322402201.

It is a de Polignac number, because none of the positive numbers 2^k-1022042231 is a prime.

It is a super-2 number, since 2×1022042231² = 2089140643894914722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022042233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9401 + ... + 46178.

It is an arithmetic number, because the mean of its divisors is an integer number (76033440).

Almost surely, 2^1022042231 is an apocalyptic number.

1022042231 is a deficient number, since it is larger than the sum of its proper divisors (194492809).

1022042231 is an equidigital number, since it uses as much as digits as its factorization.

1022042231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55694.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1022042231 is about 31969.3952241828. The cubic root of 1022042231 is about 1007.2940774111.

Adding to 1022042231 its reverse (1322402201), we get a palindrome (2344444432).

The spelling of 1022042231 in words is "one billion, twenty-two million, forty-two thousand, two hundred thirty-one".