40222479 has 16 divisors (see below), whose sum is σ = 58616064. Its totient is φ = 24331200.

The previous prime is 40222471. The next prime is 40222529. The reversal of 40222479 is 97422204.

It is not a de Polignac number, because 40222479 - 2³ = 40222471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26419 + ... + 27899.

It is an arithmetic number, because the mean of its divisors is an integer number (3663504).

Almost surely, 2^40222479 is an apocalyptic number.

40222479 is a deficient number, since it is larger than the sum of its proper divisors (18393585).

40222479 is a wasteful number, since it uses less digits than its factorization.

40222479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 40222479 is about 6342.1194406917. The cubic root of 40222479 is about 342.6280736504.

The spelling of 40222479 in words is "forty million, two hundred twenty-two thousand, four hundred seventy-nine".