87222633 has 24 divisors (see below), whose sum is σ = 121744896. Its totient is φ = 55540800.

The previous prime is 87222617. The next prime is 87222637. The reversal of 87222633 is 33622278.

It is not a de Polignac number, because 87222633 - 2⁴ = 87222617 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87222594 and 87222603.

It is not an unprimeable number, because it can be changed into a prime (87222637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 456568 + ... + 456758.

It is an arithmetic number, because the mean of its divisors is an integer number (5072704).

Almost surely, 2^87222633 is an apocalyptic number.

It is an amenable number.

87222633 is a deficient number, since it is larger than the sum of its proper divisors (34522263).

87222633 is a wasteful number, since it uses less digits than its factorization.

87222633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 404 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 87222633 is about 9339.3058093201. The cubic root of 87222633 is about 443.4824085821.

The spelling of 87222633 in words is "eighty-seven million, two hundred twenty-two thousand, six hundred thirty-three".