22156014 has 48 divisors (see below), whose sum is σ = 47896272. Its totient is φ = 6829056.

The previous prime is 22156009. The next prime is 22156019. The reversal of 22156014 is 41065122.

It is an interprime number because it is at equal distance from previous prime (22156009) and next prime (22156019).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22156019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114702 + ... + 114894.

It is an arithmetic number, because the mean of its divisors is an integer number (997839).

Almost surely, 2^22156014 is an apocalyptic number.

22156014 is an abundant number, since it is smaller than the sum of its proper divisors (25740258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22156014 is a wasteful number, since it uses less digits than its factorization.

22156014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 22156014 is about 4707.0175270547. The cubic root of 22156014 is about 280.8647331298.

The spelling of 22156014 in words is "twenty-two million, one hundred fifty-six thousand, fourteen".