22061799 has 6 divisors (see below), whose sum is σ = 31867056. Its totient is φ = 14707860.

The previous prime is 22061771. The next prime is 22061803. The reversal of 22061799 is 99716022.

It is not a de Polignac number, because 22061799 - 2⁷ = 22061671 is a prime.

It is a super-3 number, since 3×22061799³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061729) 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, 1225647 + ... + 1225664.

It is an arithmetic number, because the mean of its divisors is an integer number (5311176).

Almost surely, 2^22061799 is an apocalyptic number.

22061799 is a deficient number, since it is larger than the sum of its proper divisors (9805257).

22061799 is a wasteful number, since it uses less digits than its factorization.

22061799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451317 (or 2451314 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 22061799 is about 4696.9989354906. The cubic root of 22061799 is about 280.4660563080.

It can be divided in two parts, 2206 and 1799, that added together give a triangular number (4005 = T₈₉).

The spelling of 22061799 in words is "twenty-two million, sixty-one thousand, seven hundred ninety-nine".