42453022 has 4 divisors (see below), whose sum is σ = 63679536. Its totient is φ = 21226510.

The previous prime is 42453017. The next prime is 42453107. The reversal of 42453022 is 22035424.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 42452984 and 42453002.

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, 10613254 + ... + 10613257.

It is an arithmetic number, because the mean of its divisors is an integer number (15919884).

Almost surely, 2^42453022 is an apocalyptic number.

42453022 is a deficient number, since it is larger than the sum of its proper divisors (21226514).

42453022 is a wasteful number, since it uses less digits than its factorization.

42453022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21226513.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 42453022 is about 6515.5983608568. The cubic root of 42453022 is about 348.8479727998.

Adding to 42453022 its reverse (22035424), we get a palindrome (64488446).

The spelling of 42453022 in words is "forty-two million, four hundred fifty-three thousand, twenty-two".