88227819 has 8 divisors (see below), whose sum is σ = 130707920. Its totient is φ = 58818528.

The previous prime is 88227803. The next prime is 88227823. The reversal of 88227819 is 91872288.

It is a happy number.

It is not a de Polignac number, because 88227819 - 2⁴ = 88227803 is a prime.

It is a super-2 number, since 2×88227819² = 15568296090993522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88227119) 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, 1633822 + ... + 1633875.

It is an arithmetic number, because the mean of its divisors is an integer number (16338490).

Almost surely, 2^88227819 is an apocalyptic number.

88227819 is a deficient number, since it is larger than the sum of its proper divisors (42480101).

88227819 is a wasteful number, since it uses less digits than its factorization.

88227819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267706 (or 3267700 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 88227819 is about 9392.9664643285. The cubic root of 88227819 is about 445.1795244178.

It can be divided in two parts, 8822 and 7819, that added together give a square (16641 = 129²).

The spelling of 88227819 in words is "eighty-eight million, two hundred twenty-seven thousand, eight hundred nineteen".