22078701 has 24 divisors (see below), whose sum is σ = 32651424. Its totient is φ = 14373600.

The previous prime is 22078681. The next prime is 22078717. The reversal of 22078701 is 10787022.

It is not a de Polignac number, because 22078701 - 2⁵ = 22078669 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22078501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97150 + ... + 97376.

It is an arithmetic number, because the mean of its divisors is an integer number (1360476).

Almost surely, 2^22078701 is an apocalyptic number.

It is an amenable number.

22078701 is a deficient number, since it is larger than the sum of its proper divisors (10572723).

22078701 is a wasteful number, since it uses less digits than its factorization.

22078701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 22078701 is about 4698.7978249761. The cubic root of 22078701 is about 280.5376616384.

The spelling of 22078701 in words is "twenty-two million, seventy-eight thousand, seven hundred one".