40723222 has 8 divisors (see below), whose sum is σ = 61122672. Its totient is φ = 20349000.

The previous prime is 40723201. The next prime is 40723253. The reversal of 40723222 is 22232704.

40723222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×40723222² = 3316761620122568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40723193 and 40723202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1554 + ... + 9157.

It is an arithmetic number, because the mean of its divisors is an integer number (7640334).

Almost surely, 2^40723222 is an apocalyptic number.

40723222 is a deficient number, since it is larger than the sum of its proper divisors (20399450).

40723222 is a wasteful number, since it uses less digits than its factorization.

40723222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12614.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 40723222 is about 6381.4749078877. The cubic root of 40723222 is about 344.0440440721.

Adding to 40723222 its reverse (22232704), we get a palindrome (62955926).

It can be divided in two parts, 4072322 and 2, that added together give a square (4072324 = 2018²).

The spelling of 40723222 in words is "forty million, seven hundred twenty-three thousand, two hundred twenty-two".