40972223 has 8 divisors (see below), whose sum is σ = 42854400. Its totient is φ = 39098488.

The previous prime is 40972213. The next prime is 40972231. The reversal of 40972223 is 32227904.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40972223 - 2⁴ = 40972207 is a prime.

It is a super-4 number, since 4×40972223⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40972213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9158 + ... + 12876.

It is an arithmetic number, because the mean of its divisors is an integer number (5356800).

Almost surely, 2^40972223 is an apocalyptic number.

40972223 is a deficient number, since it is larger than the sum of its proper divisors (1882177).

40972223 is a wasteful number, since it uses less digits than its factorization.

40972223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 40972223 is about 6400.9548506453. The cubic root of 40972223 is about 344.7438356085.

The spelling of 40972223 in words is "forty million, nine hundred seventy-two thousand, two hundred twenty-three".