37220906 has 8 divisors (see below), whose sum is σ = 56271360. Its totient is φ = 18463788.

The previous prime is 37220903. The next prime is 37220971. The reversal of 37220906 is 60902273.

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

It is not an unprimeable number, because it can be changed into a prime (37220903) 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, 73016 + ... + 73523.

It is an arithmetic number, because the mean of its divisors is an integer number (7033920).

Almost surely, 2^37220906 is an apocalyptic number.

37220906 is a deficient number, since it is larger than the sum of its proper divisors (19050454).

37220906 is a wasteful number, since it uses less digits than its factorization.

37220906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146668.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 37220906 is about 6100.8938689343. The cubic root of 37220906 is about 333.8840299210.

The spelling of 37220906 in words is "thirty-seven million, two hundred twenty thousand, nine hundred six".