37222265 has 8 divisors (see below), whose sum is σ = 47294280. Its totient is φ = 28026112.

The previous prime is 37222253. The next prime is 37222267. The reversal of 37222265 is 56222273.

It can be written as a sum of positive squares in 4 ways, for example, as 885481 + 36336784 = 941^2 + 6028^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37222265 is a prime.

It is not an unprimeable number, because it can be changed into a prime (37222267) 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, 218870 + ... + 219039.

It is an arithmetic number, because the mean of its divisors is an integer number (5911785).

Almost surely, 2^37222265 is an apocalyptic number.

It is an amenable number.

37222265 is a deficient number, since it is larger than the sum of its proper divisors (10072015).

37222265 is a wasteful number, since it uses less digits than its factorization.

37222265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437931.

The product of its digits is 10080, while the sum is 29.

The square root of 37222265 is about 6101.0052450395. The cubic root of 37222265 is about 333.8880934337. Note that the first 3 decimals are identical.

The spelling of 37222265 in words is "thirty-seven million, two hundred twenty-two thousand, two hundred sixty-five".