42203470 has 8 divisors (see below), whose sum is σ = 75966264. Its totient is φ = 16881384.

The previous prime is 42203461. The next prime is 42203477. The reversal of 42203470 is 7430224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42203470² = 3562265760081800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42203477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2110164 + ... + 2110183.

It is an arithmetic number, because the mean of its divisors is an integer number (9495783).

Almost surely, 2^42203470 is an apocalyptic number.

42203470 is a deficient number, since it is larger than the sum of its proper divisors (33762794).

42203470 is a wasteful number, since it uses less digits than its factorization.

42203470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220354.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 42203470 is about 6496.4197832345. The cubic root of 42203470 is about 348.1630836008.

Adding to 42203470 its reverse (7430224), we get a palindrome (49633694).

The spelling of 42203470 in words is "forty-two million, two hundred three thousand, four hundred seventy".