9220649773 has 8 divisors (see below), whose sum is σ = 9374232600. Its totient is φ = 9067145280.

The previous prime is 9220649747. The next prime is 9220649803. The reversal of 9220649773 is 3779460229.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1160560489 + 8060089284 = 34067^2 + 89778^2 .

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 9220649773 - 2²¹ = 9218552621 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 (9220649743) 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, 247911 + ... + 282667.

It is an arithmetic number, because the mean of its divisors is an integer number (1171779075).

Almost surely, 2^9220649773 is an apocalyptic number.

It is an amenable number.

9220649773 is a deficient number, since it is larger than the sum of its proper divisors (153582827).

9220649773 is a wasteful number, since it uses less digits than its factorization.

9220649773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39167.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The square root of 9220649773 is about 96024.2145138402. The cubic root of 9220649773 is about 2096.9456559852.

The spelling of 9220649773 in words is "nine billion, two hundred twenty million, six hundred forty-nine thousand, seven hundred seventy-three".