78222203 has 8 divisors (see below), whose sum is σ = 80272368. Its totient is φ = 76182624.

The previous prime is 78222197. The next prime is 78222211. The reversal of 78222203 is 30222287.

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 78222203 - 2⁴ = 78222187 is a prime.

It is a super-2 number, since 2×78222203² = 12237426084346418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78222283) 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, 13601 + ... + 18477.

It is an arithmetic number, because the mean of its divisors is an integer number (10034046).

Almost surely, 2^78222203 is an apocalyptic number.

78222203 is a deficient number, since it is larger than the sum of its proper divisors (2050165).

78222203 is a wasteful number, since it uses less digits than its factorization.

78222203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 78222203 is about 8844.3316875839. The cubic root of 78222203 is about 427.6712089677.

The spelling of 78222203 in words is "seventy-eight million, two hundred twenty-two thousand, two hundred three".