142222936 has 8 divisors (see below), whose sum is σ = 266668020. Its totient is φ = 71111464.

The previous prime is 142222921. The next prime is 142222937. The reversal of 142222936 is 639222241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 142222898 and 142222907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142222937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8888926 + ... + 8888941.

Almost surely, 2^142222936 is an apocalyptic number.

It is an amenable number.

142222936 is a deficient number, since it is larger than the sum of its proper divisors (124445084).

142222936 is a wasteful number, since it uses less digits than its factorization.

142222936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17777873 (or 17777869 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 142222936 is about 11925.7258060044. The cubic root of 142222936 is about 521.9832253874.

The spelling of 142222936 in words is "one hundred forty-two million, two hundred twenty-two thousand, nine hundred thirty-six".