33222440406 has 16 divisors (see below), whose sum is σ = 68588264448. Its totient is φ = 10716916200.

The previous prime is 33222440393. The next prime is 33222440441. The reversal of 33222440406 is 60404422233.

It is a super-2 number, since 2×33222440406² (a number of 22 digits) 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 7 ways as a sum of consecutive naturals, for example, 89307450 + ... + 89307821.

It is an arithmetic number, because the mean of its divisors is an integer number (4286766528).

Almost surely, 2^33222440406 is an apocalyptic number.

33222440406 is an abundant number, since it is smaller than the sum of its proper divisors (35365824042).

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

33222440406 is a wasteful number, since it uses less digits than its factorization.

33222440406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178615307.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 33222440406 its reverse (60404422233), we get a palindrome (93626862639).

The spelling of 33222440406 in words is "thirty-three billion, two hundred twenty-two million, four hundred forty thousand, four hundred six".