1440247222 has 8 divisors (see below), whose sum is σ = 2189965176. Its totient is φ = 710258832.

The previous prime is 1440247219. The next prime is 1440247231. The reversal of 1440247222 is 2227420441.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4932208 + ... + 4932499.

It is an arithmetic number, because the mean of its divisors is an integer number (273745647).

Almost surely, 2^1440247222 is an apocalyptic number.

1440247222 is a deficient number, since it is larger than the sum of its proper divisors (749717954).

1440247222 is an equidigital number, since it uses as much as digits as its factorization.

1440247222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9864782.

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 1440247222 is about 37950.5892180872. The cubic root of 1440247222 is about 1129.3078545174.

Adding to 1440247222 its reverse (2227420441), we get a palindrome (3667667663).

The spelling of 1440247222 in words is "one billion, four hundred forty million, two hundred forty-seven thousand, two hundred twenty-two".