222440600240 has 20 divisors (see below), whose sum is σ = 517174395744. Its totient is φ = 88976240064.

The previous prime is 222440600227. The next prime is 222440600269. The reversal of 222440600240 is 42006044222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

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, 1390253672 + ... + 1390253831.

Almost surely, 2^222440600240 is an apocalyptic number.

222440600240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222440600240 is an abundant number, since it is smaller than the sum of its proper divisors (294733795504).

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

222440600240 is a wasteful number, since it uses less digits than its factorization.

222440600240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780507516 (or 2780507510 counting only the distinct ones).

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

Adding to 222440600240 its reverse (42006044222), we get a palindrome (264446644462).

The spelling of 222440600240 in words is "two hundred twenty-two billion, four hundred forty million, six hundred thousand, two hundred forty".