37221249 has 8 divisors (see below), whose sum is σ = 53445952. Its totient is φ = 22905360.

The previous prime is 37221229. The next prime is 37221257. The reversal of 37221249 is 94212273.

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

It is not a de Polignac number, because 37221249 - 2⁹ = 37220737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37221229) 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, 477157 + ... + 477234.

It is an arithmetic number, because the mean of its divisors is an integer number (6680744).

Almost surely, 2^37221249 is an apocalyptic number.

37221249 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

37221249 is a deficient number, since it is larger than the sum of its proper divisors (16224703).

37221249 is a wasteful number, since it uses less digits than its factorization.

37221249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954407.

The product of its digits is 6048, while the sum is 30.

The square root of 37221249 is about 6100.9219795044. The cubic root of 37221249 is about 333.8850555263.

The spelling of 37221249 in words is "thirty-seven million, two hundred twenty-one thousand, two hundred forty-nine".