80222405 has 24 divisors (see below), whose sum is σ = 103925592. Its totient is φ = 59239424.

The previous prime is 80222399. The next prime is 80222407. The reversal of 80222405 is 50422208.

It can be written as a sum of positive squares in 4 ways, for example, as 19351201 + 60871204 = 4399^2 + 7802^2 .

It is not a de Polignac number, because 80222405 - 2¹⁰ = 80221381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80222407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 585497 + ... + 585633.

It is an arithmetic number, because the mean of its divisors is an integer number (4330233).

Almost surely, 2^80222405 is an apocalyptic number.

80222405 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

80222405 is a deficient number, since it is larger than the sum of its proper divisors (23703187).

80222405 is a wasteful number, since it uses less digits than its factorization.

80222405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 80222405 is about 8956.6960984506. The cubic root of 80222405 is about 431.2858660921.

The spelling of 80222405 in words is "eighty million, two hundred twenty-two thousand, four hundred five".