22036746 has 8 divisors (see below), whose sum is σ = 44073504. Its totient is φ = 7345580.

The previous prime is 22036739. The next prime is 22036759. The reversal of 22036746 is 64763022.

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

22036746 is an admirable number.

It is a super-3 number, since 3×22036746³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836390 + ... + 1836401.

It is an arithmetic number, because the mean of its divisors is an integer number (5509188).

Almost surely, 2^22036746 is an apocalyptic number.

22036746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22036746 is a wasteful number, since it uses less digits than its factorization.

22036746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672796.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 22036746 is about 4694.3312622779. The cubic root of 22036746 is about 280.3598519512.

Adding to 22036746 its reverse (64763022), we get a palindrome (86799768).

The spelling of 22036746 in words is "twenty-two million, thirty-six thousand, seven hundred forty-six".