22849142 has 4 divisors (see below), whose sum is σ = 34273716. Its totient is φ = 11424570.

The previous prime is 22849133. The next prime is 22849157. The reversal of 22849142 is 24194822.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24194822 = 2 ⋅12097411.

It is a junction number, because it is equal to n+sod(n) for n = 22849099 and 22849108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5712284 + ... + 5712287.

It is an arithmetic number, because the mean of its divisors is an integer number (8568429).

Almost surely, 2^22849142 is an apocalyptic number.

22849142 is a deficient number, since it is larger than the sum of its proper divisors (11424574).

22849142 is a wasteful number, since it uses less digits than its factorization.

22849142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11424573.

The product of its digits is 9216, while the sum is 32.

The square root of 22849142 is about 4780.0776144326. The cubic root of 22849142 is about 283.7635653693.

The spelling of 22849142 in words is "twenty-two million, eight hundred forty-nine thousand, one hundred forty-two".