240222644 has 12 divisors (see below), whose sum is σ = 420498624. Its totient is φ = 120080184.

The previous prime is 240222637. The next prime is 240222673. The reversal of 240222644 is 446222042.

It is a happy number.

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, 23909 + ... + 32435.

It is an arithmetic number, because the mean of its divisors is an integer number (35041552).

Almost surely, 2^240222644 is an apocalyptic number.

It is an amenable number.

240222644 is a deficient number, since it is larger than the sum of its proper divisors (180275980).

240222644 is a wasteful number, since it uses less digits than its factorization.

240222644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15574 (or 15572 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 240222644 is about 15499.1175232656. The cubic root of 240222644 is about 621.6386103181.

Adding to 240222644 its reverse (446222042), we get a palindrome (686444686).

The spelling of 240222644 in words is "two hundred forty million, two hundred twenty-two thousand, six hundred forty-four".