40223422 has 4 divisors (see below), whose sum is σ = 60335136. Its totient is φ = 20111710.

The previous prime is 40223413. The next prime is 40223423. The reversal of 40223422 is 22432204.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40223422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40223423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055854 + ... + 10055857.

It is an arithmetic number, because the mean of its divisors is an integer number (15083784).

Almost surely, 2^40223422 is an apocalyptic number.

40223422 is a deficient number, since it is larger than the sum of its proper divisors (20111714).

40223422 is a wasteful number, since it uses less digits than its factorization.

40223422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20111713.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 40223422 is about 6342.1937844881. The cubic root of 40223422 is about 342.6307512224.

Adding to 40223422 its reverse (22432204), we get a palindrome (62655626).

The spelling of 40223422 in words is "forty million, two hundred twenty-three thousand, four hundred twenty-two".