84022011 has 6 divisors (see below), whose sum is σ = 121365140. Its totient is φ = 56014668.

The previous prime is 84021991. The next prime is 84022021. The reversal of 84022011 is 11022048.

It is not a de Polignac number, because 84022011 - 2¹³ = 84013819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84022021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4667881 + ... + 4667898.

Almost surely, 2^84022011 is an apocalyptic number.

84022011 is a deficient number, since it is larger than the sum of its proper divisors (37343129).

84022011 is a wasteful number, since it uses less digits than its factorization.

84022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9335785 (or 9335782 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 84022011 is about 9166.3521097545. The cubic root of 84022011 is about 437.9901636623.

Adding to 84022011 its reverse (11022048), we get a palindrome (95044059).

The spelling of 84022011 in words is "eighty-four million, twenty-two thousand, eleven".