87252022 has 32 divisors (see below), whose sum is σ = 157054464. Its totient is φ = 35824800.

The previous prime is 87252017. The next prime is 87252029. The reversal of 87252022 is 22025278.

It is a super-2 number, since 2×87252022² = 15225830686176968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87252029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10197 + ... + 16687.

It is an arithmetic number, because the mean of its divisors is an integer number (4907952).

Almost surely, 2^87252022 is an apocalyptic number.

87252022 is a deficient number, since it is larger than the sum of its proper divisors (69802442).

87252022 is a wasteful number, since it uses less digits than its factorization.

87252022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 87252022 is about 9340.8790806861. The cubic root of 87252022 is about 443.5322123256.

The spelling of 87252022 in words is "eighty-seven million, two hundred fifty-two thousand, twenty-two".