40222937 has 4 divisors (see below), whose sum is σ = 40431540. Its totient is φ = 40014336.

The previous prime is 40222933. The next prime is 40222939. The reversal of 40222937 is 73922204.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7778521 + 32444416 = 2789^2 + 5696^2 .

It is a cyclic number.

It is not a de Polignac number, because 40222937 - 2² = 40222933 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40222933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104012 + ... + 104397.

It is an arithmetic number, because the mean of its divisors is an integer number (10107885).

Almost surely, 2^40222937 is an apocalyptic number.

It is an amenable number.

40222937 is a deficient number, since it is larger than the sum of its proper divisors (208603).

40222937 is a wasteful number, since it uses less digits than its factorization.

40222937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208602.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 40222937 is about 6342.1555483920. The cubic root of 40222937 is about 342.6293741095.

The spelling of 40222937 in words is "forty million, two hundred twenty-two thousand, nine hundred thirty-seven".