2237218542 has 80 divisors (see below), whose sum is σ = 5544746592. Its totient is φ = 669746880.

The previous prime is 2237218537. The next prime is 2237218559. The reversal of 2237218542 is 2458127322.

It is a junction number, because it is equal to n+sod(n) for n = 2237218497 and 2237218506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 63567 + ... + 92277.

Almost surely, 2^2237218542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2237218542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2772373296).

2237218542 is an abundant number, since it is smaller than the sum of its proper divisors (3307528050).

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

2237218542 is a wasteful number, since it uses less digits than its factorization.

2237218542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28775 (or 28766 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 2237218542 is about 47299.2446239895. The cubic root of 2237218542 is about 1307.8847322882.

The spelling of 2237218542 in words is "two billion, two hundred thirty-seven million, two hundred eighteen thousand, five hundred forty-two".