70280222 has 4 divisors (see below), whose sum is σ = 105420336. Its totient is φ = 35140110.

The previous prime is 70280213. The next prime is 70280263. The reversal of 70280222 is 22208207.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17570054 + ... + 17570057.

It is an arithmetic number, because the mean of its divisors is an integer number (26355084).

Almost surely, 2^70280222 is an apocalyptic number.

70280222 is a deficient number, since it is larger than the sum of its proper divisors (35140114).

70280222 is a wasteful number, since it uses less digits than its factorization.

70280222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35140113.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 70280222 is about 8383.3300066262. The cubic root of 70280222 is about 412.6777381587.

Adding to 70280222 its reverse (22208207), we get a palindrome (92488429).

The spelling of 70280222 in words is "seventy million, two hundred eighty thousand, two hundred twenty-two".