1000220207 has 16 divisors (see below), whose sum is σ = 1168834560. Its totient is φ = 838081728.

The previous prime is 1000220183. The next prime is 1000220209. The reversal of 1000220207 is 7020220001.

It is a cyclic number.

It is not a de Polignac number, because 1000220207 - 2⁸ = 1000219951 is a prime.

It is a super-2 number, since 2×1000220207² = 2000880924982245698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000220191 and 1000220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000220209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419603 + ... + 421979.

It is an arithmetic number, because the mean of its divisors is an integer number (73052160).

Almost surely, 2^1000220207 is an apocalyptic number.

1000220207 is a deficient number, since it is larger than the sum of its proper divisors (168614353).

1000220207 is a wasteful number, since it uses less digits than its factorization.

1000220207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710.

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

The square root of 1000220207 is about 31626.2581884105. The cubic root of 1000220207 is about 1000.0733969461.

Adding to 1000220207 its reverse (7020220001), we get a palindrome (8020440208).

The spelling of 1000220207 in words is "one billion, two hundred twenty thousand, two hundred seven".