40222672 has 40 divisors (see below), whose sum is σ = 89565696. Its totient is φ = 17141376.

The previous prime is 40222661. The next prime is 40222687. The reversal of 40222672 is 27622204.

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, 21153 + ... + 22975.

Almost surely, 2^40222672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40222672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44782848).

40222672 is an abundant number, since it is smaller than the sum of its proper divisors (49343024).

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

40222672 is a wasteful number, since it uses less digits than its factorization.

40222672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035 (or 2029 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 40222672 is about 6342.1346564071. The cubic root of 40222672 is about 342.6286216617.

Adding to 40222672 its reverse (27622204), we get a palindrome (67844876).

The spelling of 40222672 in words is "forty million, two hundred twenty-two thousand, six hundred seventy-two".