70221834 has 24 divisors (see below), whose sum is σ = 160155840. Its totient is φ = 22175208.

The previous prime is 70221817. The next prime is 70221841. The reversal of 70221834 is 43812207.

It is a super-2 number, since 2×70221834² = 9862211940647112, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70221798 and 70221807.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102322 + ... + 103005.

It is an arithmetic number, because the mean of its divisors is an integer number (6673160).

Almost surely, 2^70221834 is an apocalyptic number.

70221834 is an abundant number, since it is smaller than the sum of its proper divisors (89934006).

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

70221834 is a wasteful number, since it uses less digits than its factorization.

70221834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205354 (or 205351 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 70221834 is about 8379.8468959761. The cubic root of 70221834 is about 412.5634238566.

The spelling of 70221834 in words is "seventy million, two hundred twenty-one thousand, eight hundred thirty-four".