22142462 has 4 divisors (see below), whose sum is σ = 33213696. Its totient is φ = 11071230.

The previous prime is 22142459. The next prime is 22142507. The reversal of 22142462 is 26424122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26424122 = 2 ⋅13212061.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5535614 + ... + 5535617.

It is an arithmetic number, because the mean of its divisors is an integer number (8303424).

Almost surely, 2^22142462 is an apocalyptic number.

22142462 is a deficient number, since it is larger than the sum of its proper divisors (11071234).

22142462 is a wasteful number, since it uses less digits than its factorization.

22142462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11071233.

The product of its digits is 1536, while the sum is 23.

The square root of 22142462 is about 4705.5777541127. The cubic root of 22142462 is about 280.8074566543.

Adding to 22142462 its reverse (26424122), we get a palindrome (48566584).

The spelling of 22142462 in words is "twenty-two million, one hundred forty-two thousand, four hundred sixty-two".