37222237 has 8 divisors (see below), whose sum is σ = 40483800. Its totient is φ = 34017600.

The previous prime is 37222223. The next prime is 37222253. The reversal of 37222237 is 73222273.

It can be written as a sum of positive squares in 4 ways, for example, as 1390041 + 35832196 = 1179^2 + 5986^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 37222237 - 2¹⁵ = 37189469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37222217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12862 + ... + 15487.

It is an arithmetic number, because the mean of its divisors is an integer number (5060475).

Almost surely, 2^37222237 is an apocalyptic number.

It is an amenable number.

37222237 is a deficient number, since it is larger than the sum of its proper divisors (3261563).

37222237 is a wasteful number, since it uses less digits than its factorization.

37222237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28463.

The product of its digits is 7056, while the sum is 28.

The square root of 37222237 is about 6101.0029503353. The cubic root of 37222237 is about 333.8880097126. Note that the first 3 decimals are identical.

The spelling of 37222237 in words is "thirty-seven million, two hundred twenty-two thousand, two hundred thirty-seven".