40699222 has 4 divisors (see below), whose sum is σ = 61048836. Its totient is φ = 20349610.

The previous prime is 40699123. The next prime is 40699229. The reversal of 40699222 is 22299604.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40699229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10174804 + ... + 10174807.

It is an arithmetic number, because the mean of its divisors is an integer number (15262209).

Almost surely, 2^40699222 is an apocalyptic number.

40699222 is a deficient number, since it is larger than the sum of its proper divisors (20349614).

40699222 is a wasteful number, since it uses less digits than its factorization.

40699222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20349613.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 40699222 is about 6379.5941877207. The cubic root of 40699222 is about 343.9764439882.

The spelling of 40699222 in words is "forty million, six hundred ninety-nine thousand, two hundred twenty-two".