37299405221 has 8 divisors (see below), whose sum is σ = 41254228344. Its totient is φ = 33499673280.

The previous prime is 37299405217. The next prime is 37299405287. The reversal of 37299405221 is 12250499273.

It can be written as a sum of positive squares in 4 ways, for example, as 8443588321 + 28855816900 = 91889^2 + 169870^2 .

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 37299405221 - 2² = 37299405217 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 (37299405421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38772290 + ... + 38773251.

It is an arithmetic number, because the mean of its divisors is an integer number (5156778543).

Almost surely, 2^37299405221 is an apocalyptic number.

It is an amenable number.

37299405221 is a deficient number, since it is larger than the sum of its proper divisors (3954823123).

37299405221 is a wasteful number, since it uses less digits than its factorization.

37299405221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77545591.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 37299405221 in words is "thirty-seven billion, two hundred ninety-nine million, four hundred five thousand, two hundred twenty-one".