40222535 has 4 divisors (see below), whose sum is σ = 48267048. Its totient is φ = 32178024.

The previous prime is 40222529. The next prime is 40222537. The reversal of 40222535 is 53522204.

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 40222535 - 2⁶ = 40222471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40222535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222537) 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, 4022249 + ... + 4022258.

It is an arithmetic number, because the mean of its divisors is an integer number (12066762).

Almost surely, 2^40222535 is an apocalyptic number.

40222535 is a deficient number, since it is larger than the sum of its proper divisors (8044513).

40222535 is an equidigital number, since it uses as much as digits as its factorization.

40222535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044512.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 40222535 is about 6342.1238556181. The cubic root of 40222535 is about 342.6282326590.

Adding to 40222535 its reverse (53522204), we get a palindrome (93744739).

The spelling of 40222535 in words is "forty million, two hundred twenty-two thousand, five hundred thirty-five".