1244223037662 has 96 divisors (see below), whose sum is σ = 2833140996000. Its totient is φ = 363574337280.

The previous prime is 1244223037661. The next prime is 1244223037669. The reversal of 1244223037662 is 2667303224421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244223037661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16742964 + ... + 16817112.

It is an arithmetic number, because the mean of its divisors is an integer number (29511885375).

Almost surely, 2^{1244223037662} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244223037662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1416570498000).

1244223037662 is an abundant number, since it is smaller than the sum of its proper divisors (1588917958338).

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

1244223037662 is a wasteful number, since it uses less digits than its factorization.

1244223037662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75002 (or 74991 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 42.

The spelling of 1244223037662 in words is "one trillion, two hundred forty-four billion, two hundred twenty-three million, thirty-seven thousand, six hundred sixty-two".