22056342 has 32 divisors (see below), whose sum is σ = 54998784. Its totient is φ = 5728800.

The previous prime is 22056341. The next prime is 22056343. The reversal of 22056342 is 24365022.

It is an interprime number because it is at equal distance from previous prime (22056341) and next prime (22056343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22056341) 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, 23409 + ... + 24332.

It is an arithmetic number, because the mean of its divisors is an integer number (1718712).

Almost surely, 2^22056342 is an apocalyptic number.

22056342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22056342 is an abundant number, since it is smaller than the sum of its proper divisors (32942442).

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

22056342 is a wasteful number, since it uses less digits than its factorization.

22056342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47764.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 22056342 is about 4696.4179967290. The cubic root of 22056342 is about 280.4429299154.

The spelling of 22056342 in words is "twenty-two million, fifty-six thousand, three hundred forty-two".