87401822 has 16 divisors (see below), whose sum is σ = 133297920. Its totient is φ = 42974232.

The previous prime is 87401819. The next prime is 87401851. The reversal of 87401822 is 22810478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38573 + ... + 40775.

It is an arithmetic number, because the mean of its divisors is an integer number (8331120).

Almost surely, 2^87401822 is an apocalyptic number.

87401822 is a deficient number, since it is larger than the sum of its proper divisors (45896098).

87401822 is a wasteful number, since it uses less digits than its factorization.

87401822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 87401822 is about 9348.8941592041. The cubic root of 87401822 is about 443.7858956085.

The spelling of 87401822 in words is "eighty-seven million, four hundred one thousand, eight hundred twenty-two".