1240320022 has 8 divisors (see below), whose sum is σ = 1871621136. Its totient is φ = 616446312.

The previous prime is 1240319963. The next prime is 1240320023. The reversal of 1240320022 is 2200230421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1240319978 and 1240320005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240320023) 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, 1856433 + ... + 1857100.

It is an arithmetic number, because the mean of its divisors is an integer number (233952642).

Almost surely, 2^1240320022 is an apocalyptic number.

1240320022 is a deficient number, since it is larger than the sum of its proper divisors (631301114).

1240320022 is a wasteful number, since it uses less digits than its factorization.

1240320022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713702.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1240320022 is about 35218.1774372269. The cubic root of 1240320022 is about 1074.4294854850.

Adding to 1240320022 its reverse (2200230421), we get a palindrome (3440550443).

The spelling of 1240320022 in words is "one billion, two hundred forty million, three hundred twenty thousand, twenty-two".