42226502 has 4 divisors (see below), whose sum is σ = 63339756. Its totient is φ = 21113250.

The previous prime is 42226501. The next prime is 42226507. The reversal of 42226502 is 20562224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42226501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556624 + ... + 10556627.

It is an arithmetic number, because the mean of its divisors is an integer number (15834939).

Almost surely, 2^42226502 is an apocalyptic number.

42226502 is a deficient number, since it is larger than the sum of its proper divisors (21113254).

42226502 is a wasteful number, since it uses less digits than its factorization.

42226502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21113253.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42226502 is about 6498.1922101458. The cubic root of 42226502 is about 348.2264072552.

Adding to 42226502 its reverse (20562224), we get a palindrome (62788726).

The spelling of 42226502 in words is "forty-two million, two hundred twenty-six thousand, five hundred two".