22013542 has 8 divisors (see below), whose sum is σ = 33049800. Its totient is φ = 10996944.

The previous prime is 22013539. The next prime is 22013561. The reversal of 22013542 is 24531022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692 + ... + 6847.

It is an arithmetic number, because the mean of its divisors is an integer number (4131225).

Almost surely, 2^22013542 is an apocalyptic number.

22013542 is a deficient number, since it is larger than the sum of its proper divisors (11036258).

22013542 is a wasteful number, since it uses less digits than its factorization.

22013542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9830.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22013542 is about 4691.8591197946. The cubic root of 22013542 is about 280.2614140256.

Adding to 22013542 its reverse (24531022), we get a palindrome (46544564).

The spelling of 22013542 in words is "twenty-two million, thirteen thousand, five hundred forty-two".