40223322 has 12 divisors (see below), whose sum is σ = 87150570. Its totient is φ = 13407768.

The previous prime is 40223321. The next prime is 40223341. The reversal of 40223322 is 22332204.

It can be written as a sum of positive squares in only one way, i.e., 40182921 + 40401 = 6339^2 + 201^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2234629 = 40223322 / (4 + 0 + 2 + 2 + 3 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 40223295 and 40223304.

It is not an unprimeable number, because it can be changed into a prime (40223321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1117297 + ... + 1117332.

Almost surely, 2^40223322 is an apocalyptic number.

40223322 is an abundant number, since it is smaller than the sum of its proper divisors (46927248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40223322 is a wasteful number, since it uses less digits than its factorization.

40223322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234637 (or 2234634 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 40223322 is about 6342.1859007759. The cubic root of 40223322 is about 342.6304672825.

Adding to 40223322 its reverse (22332204), we get a palindrome (62555526).

The spelling of 40223322 in words is "forty million, two hundred twenty-three thousand, three hundred twenty-two".