42203234 has 4 divisors (see below), whose sum is σ = 63304854. Its totient is φ = 21101616.

The previous prime is 42203221. The next prime is 42203251. The reversal of 42203234 is 43230224.

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

It can be written as a sum of positive squares in only one way, i.e., 22534009 + 19669225 = 4747^2 + 4435^2 .

It is a super-2 number, since 2×42203234² = 3562225920117512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10550807 + ... + 10550810.

Almost surely, 2^42203234 is an apocalyptic number.

42203234 is a deficient number, since it is larger than the sum of its proper divisors (21101620).

42203234 is a wasteful number, since it uses less digits than its factorization.

42203234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21101619.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 42203234 is about 6496.4016193582. The cubic root of 42203234 is about 348.1624346285.

Adding to 42203234 its reverse (43230224), we get a palindrome (85433458).

The spelling of 42203234 in words is "forty-two million, two hundred three thousand, two hundred thirty-four".