73770222200221 has 8 divisors (see below), whose sum is σ = 77467926501504. Its totient is φ = 70113376510320.

The previous prime is 73770222200201. The next prime is 73770222200231. The reversal of 73770222200221 is 12200222207737.

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 73770222200221 - 2⁵ = 73770222200189 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 (73770222200201) 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, 10214649145 + ... + 10214656366.

It is an arithmetic number, because the mean of its divisors is an integer number (9683490812688).

Almost surely, 2^{73770222200221} is an apocalyptic number.

It is an amenable number.

73770222200221 is a deficient number, since it is larger than the sum of its proper divisors (3697704301283).

73770222200221 is a wasteful number, since it uses less digits than its factorization.

73770222200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20429305691.

The product of its (nonzero) digits is 65856, while the sum is 37.

Adding to 73770222200221 its reverse (12200222207737), we get a palindrome (85970444407958).

The spelling of 73770222200221 in words is "seventy-three trillion, seven hundred seventy billion, two hundred twenty-two million, two hundred thousand, two hundred twenty-one".