2220244404240 has 80 divisors (see below), whose sum is σ = 7068778158528. Its totient is φ = 576063410688.

The previous prime is 2220244404197. The next prime is 2220244404283. The reversal of 2220244404240 is 424044420222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2220244404197) and next prime (2220244404283).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2220244404198 and 2220244404207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125004882 + ... + 125022641.

Almost surely, 2^{2220244404240} is an apocalyptic number.

2220244404240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220244404240 is an abundant number, since it is smaller than the sum of its proper divisors (4848533754288).

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

2220244404240 is a wasteful number, since it uses less digits than its factorization.

2220244404240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250027576 (or 250027570 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 2220244404240 its reverse (424044420222), we get a palindrome (2644288824462).

It can be divided in two parts, 222024 and 4404240, that added together give a palindrome (4626264).

The spelling of 2220244404240 in words is "two trillion, two hundred twenty billion, two hundred forty-four million, four hundred four thousand, two hundred forty".