87274822 has 4 divisors (see below), whose sum is σ = 130912236. Its totient is φ = 43637410.

The previous prime is 87274801. The next prime is 87274849. The reversal of 87274822 is 22847278.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21818704 + ... + 21818707.

It is an arithmetic number, because the mean of its divisors is an integer number (32728059).

Almost surely, 2^87274822 is an apocalyptic number.

87274822 is a deficient number, since it is larger than the sum of its proper divisors (43637414).

87274822 is a wasteful number, since it uses less digits than its factorization.

87274822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43637413.

The product of its digits is 100352, while the sum is 40.

The square root of 87274822 is about 9342.0994428447. The cubic root of 87274822 is about 443.5708423901.

The spelling of 87274822 in words is "eighty-seven million, two hundred seventy-four thousand, eight hundred twenty-two".