40222923 has 8 divisors (see below), whose sum is σ = 57756048. Its totient is φ = 24752544.

The previous prime is 40222921. The next prime is 40222933. The reversal of 40222923 is 32922204.

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

It is not a de Polignac number, because 40222923 - 2¹ = 40222921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40222893 and 40222902.

It is not an unprimeable number, because it can be changed into a prime (40222921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515640 + ... + 515717.

It is an arithmetic number, because the mean of its divisors is an integer number (7219506).

Almost surely, 2^40222923 is an apocalyptic number.

40222923 is a deficient number, since it is larger than the sum of its proper divisors (17533125).

40222923 is a wasteful number, since it uses less digits than its factorization.

40222923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031373.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40222923 is about 6342.1544446663. The cubic root of 40222923 is about 342.6293343576.

The spelling of 40222923 in words is "forty million, two hundred twenty-two thousand, nine hundred twenty-three".