42235402 has 16 divisors (see below), whose sum is σ = 69220800. Its totient is φ = 19167840.

The previous prime is 42235399. The next prime is 42235409. The reversal of 42235402 is 20453224.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (42235409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19174 + ... + 21262.

It is an arithmetic number, because the mean of its divisors is an integer number (4326300).

Almost surely, 2^42235402 is an apocalyptic number.

42235402 is a deficient number, since it is larger than the sum of its proper divisors (26985398).

42235402 is a wasteful number, since it uses less digits than its factorization.

42235402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021.

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

The square root of 42235402 is about 6498.8769799097. The cubic root of 42235402 is about 348.2508705438.

Adding to 42235402 its reverse (20453224), we get a palindrome (62688626).

The spelling of 42235402 in words is "forty-two million, two hundred thirty-five thousand, four hundred two".