2229744243690 has 48 divisors (see below), whose sum is σ = 5797558560456. Its totient is φ = 594575539200.

The previous prime is 2229744243673. The next prime is 2229744243691. The reversal of 2229744243690 is 963424479222.

It is a happy number.

2229744243690 is a `hidden beast` number, since 2 + 22 + 97 + 442 + 4 + 3 + 6 + 90 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 727371885321 + 1502372358369 = 852861^2 + 1225713^2 .

It is a super-2 number, since 2×2229744243690² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2229744243691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1937010 + ... + 2865570.

Almost surely, 2^{2229744243690} is an apocalyptic number.

2229744243690 is an abundant number, since it is smaller than the sum of its proper divisors (3567814316766).

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

2229744243690 is a wasteful number, since it uses less digits than its factorization.

2229744243690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955255 (or 955252 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 54.

The spelling of 2229744243690 in words is "two trillion, two hundred twenty-nine billion, seven hundred forty-four million, two hundred forty-three thousand, six hundred ninety".