40226279 has 2 divisors, whose sum is σ = 40226280. Its totient is φ = 40226278.

The previous prime is 40226239. The next prime is 40226297. The reversal of 40226279 is 97262204.

Together with next prime (40226297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40226279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40226209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20113139 + 20113140.

It is an arithmetic number, because the mean of its divisors is an integer number (20113140).

Almost surely, 2^40226279 is an apocalyptic number.

40226279 is a deficient number, since it is larger than the sum of its proper divisors (1).

40226279 is an equidigital number, since it uses as much as digits as its factorization.

40226279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 40226279 is about 6342.4190180088. The cubic root of 40226279 is about 342.6388631866.

It can be divided in two parts, 4022 and 6279, that added together give a palindrome (10301).

The spelling of 40226279 in words is "forty million, two hundred twenty-six thousand, two hundred seventy-nine".