22072330446 has 8 divisors (see below), whose sum is σ = 44144660904. Its totient is φ = 7357443480.

The previous prime is 22072330439. The next prime is 22072330451. The reversal of 22072330446 is 64403327022.

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

22072330446 is an admirable number.

It is a super-3 number, since 3×22072330446³ (a number of 32 digits) contains 333 as substring.

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, 1839360865 + ... + 1839360876.

It is an arithmetic number, because the mean of its divisors is an integer number (5518082613).

Almost surely, 2^22072330446 is an apocalyptic number.

22072330446 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.

22072330446 is a wasteful number, since it uses less digits than its factorization.

22072330446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678721746.

The product of its (nonzero) digits is 48384, while the sum is 33.

Adding to 22072330446 its reverse (64403327022), we get a palindrome (86475657468).

The spelling of 22072330446 in words is "twenty-two billion, seventy-two million, three hundred thirty thousand, four hundred forty-six".