1140402222 has 24 divisors (see below), whose sum is σ = 2474423640. Its totient is φ = 379587600.

The previous prime is 1140402217. The next prime is 1140402227. The reversal of 1140402222 is 2222040411.

1140402222 is a `hidden beast` number, since 1 + 1 + 40 + 402 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (1140402217) and next prime (1140402227).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1140402195 and 1140402204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140402227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32572 + ... + 57807.

It is an arithmetic number, because the mean of its divisors is an integer number (103100985).

Almost surely, 2^1140402222 is an apocalyptic number.

1140402222 is an abundant number, since it is smaller than the sum of its proper divisors (1334021418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140402222 is a wasteful number, since it uses less digits than its factorization.

1140402222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91088 (or 91085 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1140402222 is about 33769.8419007256. The cubic root of 1140402222 is about 1044.7667716652.

Adding to 1140402222 its reverse (2222040411), we get a palindrome (3362442633).

It can be divided in two parts, 1140402 and 222, that added together give a square (1140624 = 1068²).

The spelling of 1140402222 in words is "one billion, one hundred forty million, four hundred two thousand, two hundred twenty-two".