22142051 has 8 divisors (see below), whose sum is σ = 23295600. Its totient is φ = 21014560.

The previous prime is 22142047. The next prime is 22142059. The reversal of 22142051 is 15024122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22142051 - 2² = 22142047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22142059) 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 7 ways as a sum of consecutive naturals, for example, 4760 + ... + 8181.

It is an arithmetic number, because the mean of its divisors is an integer number (2911950).

Almost surely, 2^22142051 is an apocalyptic number.

22142051 is a deficient number, since it is larger than the sum of its proper divisors (1153549).

22142051 is a wasteful number, since it uses less digits than its factorization.

22142051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13029.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 22142051 is about 4705.5340823333. The cubic root of 22142051 is about 280.8057192297.

Adding to 22142051 its reverse (15024122), we get a palindrome (37166173).

The spelling of 22142051 in words is "twenty-two million, one hundred forty-two thousand, fifty-one".