2201236542 has 48 divisors (see below), whose sum is σ = 4801022928. Its totient is φ = 728891520.

The previous prime is 2201236537. The next prime is 2201236553. The reversal of 2201236542 is 2456321022.

It is a happy number.

2201236542 is a `hidden beast` number, since 2 + 2 + 0 + 1 + 2 + 3 + 654 + 2 = 666.

It is a super-2 number, since 2×2201236542² = 9690884627672235528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2847268 + ... + 2848040.

It is an arithmetic number, because the mean of its divisors is an integer number (100021311).

Almost surely, 2^2201236542 is an apocalyptic number.

2201236542 is an abundant number, since it is smaller than the sum of its proper divisors (2599786386).

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

2201236542 is a wasteful number, since it uses less digits than its factorization.

2201236542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2201236542 is about 46917.3373285399. The cubic root of 2201236542 is about 1300.8350733260.

Adding to 2201236542 its reverse (2456321022), we get a palindrome (4657557564).

The spelling of 2201236542 in words is "two billion, two hundred one million, two hundred thirty-six thousand, five hundred forty-two".