78224598 has 12 divisors (see below), whose sum is σ = 169486668. Its totient is φ = 26074860.

The previous prime is 78224593. The next prime is 78224603. The reversal of 78224598 is 89542287.

It is an interprime number because it is at equal distance from previous prime (78224593) and next prime (78224603).

It is a super-2 number, since 2×78224598² = 12238175464523208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78224593) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2172888 + ... + 2172923.

It is an arithmetic number, because the mean of its divisors is an integer number (14123889).

Almost surely, 2^78224598 is an apocalyptic number.

78224598 is an abundant number, since it is smaller than the sum of its proper divisors (91262070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78224598 is a wasteful number, since it uses less digits than its factorization.

78224598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345819 (or 4345816 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 78224598 is about 8844.4670840023. The cubic root of 78224598 is about 427.6755737220.

It can be divided in two parts, 78 and 224598, that added together give a square (224676 = 474²).

The spelling of 78224598 in words is "seventy-eight million, two hundred twenty-four thousand, five hundred ninety-eight".