22135977 has 16 divisors (see below), whose sum is σ = 32921280. Its totient is φ = 14700096.

The previous prime is 22135963. The next prime is 22135979. The reversal of 22135977 is 77953122.

It is not a de Polignac number, because 22135977 - 2⁷ = 22135849 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22135979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6193 + ... + 9089.

It is an arithmetic number, because the mean of its divisors is an integer number (2057580).

Almost surely, 2^22135977 is an apocalyptic number.

22135977 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22135977 is a deficient number, since it is larger than the sum of its proper divisors (10785303).

22135977 is a wasteful number, since it uses less digits than its factorization.

22135977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189 (or 3183 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 22135977 is about 4704.8886277998. Note that the first 3 decimals coincide. The cubic root of 22135977 is about 280.7800400379.

The spelling of 22135977 in words is "twenty-two million, one hundred thirty-five thousand, nine hundred seventy-seven".