84022553 has 4 divisors (see below), whose sum is σ = 84486948. Its totient is φ = 83558160.

The previous prime is 84022537. The next prime is 84022567. The reversal of 84022553 is 35522048.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3794704 + 80227849 = 1948^2 + 8957^2 .

It is a cyclic number.

It is not a de Polignac number, because 84022553 - 2⁴ = 84022537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84022513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231926 + ... + 232287.

It is an arithmetic number, because the mean of its divisors is an integer number (21121737).

Almost surely, 2^84022553 is an apocalyptic number.

It is an amenable number.

84022553 is a deficient number, since it is larger than the sum of its proper divisors (464395).

84022553 is a wasteful number, since it uses less digits than its factorization.

84022553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464394.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 84022553 is about 9166.3816743577. The cubic root of 84022553 is about 437.9911054399.

The spelling of 84022553 in words is "eighty-four million, twenty-two thousand, five hundred fifty-three".