1240032222 has 48 divisors (see below), whose sum is σ = 3156452208. Its totient is φ = 346861440.

The previous prime is 1240032221. The next prime is 1240032229. The reversal of 1240032222 is 2222300421.

1240032222 is a `hidden beast` number, since 12 + 400 + 32 + 222 = 666.

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 = 1240032195 and 1240032204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240032221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238303 + ... + 243450.

It is an arithmetic number, because the mean of its divisors is an integer number (65759421).

Almost surely, 2^1240032222 is an apocalyptic number.

1240032222 is an abundant number, since it is smaller than the sum of its proper divisors (1916419986).

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

1240032222 is a wasteful number, since it uses less digits than its factorization.

1240032222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481785 (or 481782 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1240032222 is about 35214.0912420014. The cubic root of 1240032222 is about 1074.3463766312.

Adding to 1240032222 its reverse (2222300421), we get a palindrome (3462332643).

The spelling of 1240032222 in words is "one billion, two hundred forty million, thirty-two thousand, two hundred twenty-two".