142222404 has 12 divisors (see below), whose sum is σ = 331852304. Its totient is φ = 47407464.

The previous prime is 142222397. The next prime is 142222417. The reversal of 142222404 is 404222241.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5925922 + ... + 5925945.

Almost surely, 2^142222404 is an apocalyptic number.

It is an amenable number.

142222404 is an abundant number, since it is smaller than the sum of its proper divisors (189629900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142222404 is a wasteful number, since it uses less digits than its factorization.

142222404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11851874 (or 11851872 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 142222404 is about 11925.7035012615. The cubic root of 142222404 is about 521.9825745420.

Adding to 142222404 its reverse (404222241), we get a palindrome (546444645).

The spelling of 142222404 in words is "one hundred forty-two million, two hundred twenty-two thousand, four hundred four".