40222023 has 4 divisors (see below), whose sum is σ = 53629368. Its totient is φ = 26814680.

The previous prime is 40222003. The next prime is 40222033. The reversal of 40222023 is 32022204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40222023 - 2⁵ = 40221991 is a prime.

It is a super-2 number, since 2×40222023² = 3235622268425058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40221993 and 40222011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6703668 + ... + 6703673.

It is an arithmetic number, because the mean of its divisors is an integer number (13407342).

Almost surely, 2^40222023 is an apocalyptic number.

40222023 is a deficient number, since it is larger than the sum of its proper divisors (13407345).

40222023 is a wasteful number, since it uses less digits than its factorization.

40222023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13407344.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 40222023 is about 6342.0834904627. The cubic root of 40222023 is about 342.6267788604.

Adding to 40222023 its reverse (32022204), we get a palindrome (72244227).

The spelling of 40222023 in words is "forty million, two hundred twenty-two thousand, twenty-three".