83022557 has 4 divisors (see below), whose sum is σ = 85700736. Its totient is φ = 80344380.

The previous prime is 83022553. The next prime is 83022559. The reversal of 83022557 is 75522038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75522038 = 2 ⋅37761019.

It is a cyclic number.

It is not a de Polignac number, because 83022557 - 2² = 83022553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83022553) 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, 1339043 + ... + 1339104.

It is an arithmetic number, because the mean of its divisors is an integer number (21425184).

Almost surely, 2^83022557 is an apocalyptic number.

It is an amenable number.

83022557 is a deficient number, since it is larger than the sum of its proper divisors (2678179).

83022557 is a wasteful number, since it uses less digits than its factorization.

83022557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678178.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 83022557 is about 9111.6714712505. The cubic root of 83022557 is about 436.2465797221.

The spelling of 83022557 in words is "eighty-three million, twenty-two thousand, five hundred fifty-seven".