70222001 has 8 divisors (see below), whose sum is σ = 71111040. Its totient is φ = 69337152.

The previous prime is 70221989. The next prime is 70222007. The reversal of 70222001 is 10022207.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70222001 is a prime.

It is a super-2 number, since 2×70222001² = 9862258848888002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70222007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44441 + ... + 45993.

It is an arithmetic number, because the mean of its divisors is an integer number (8888880).

Almost surely, 2^70222001 is an apocalyptic number.

It is an amenable number.

70222001 is a deficient number, since it is larger than the sum of its proper divisors (889039).

70222001 is a wasteful number, since it uses less digits than its factorization.

70222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 70222001 is about 8379.8568603527. The cubic root of 70222001 is about 412.5637509060.

Adding to 70222001 its reverse (10022207), we get a palindrome (80244208).

The spelling of 70222001 in words is "seventy million, two hundred twenty-two thousand, one".