2195016201 has 81 divisors (see below), whose sum is σ = 3895711911. Its totient is φ = 1187391744.

The previous prime is 2195016193. The next prime is 2195016223. The reversal of 2195016201 is 1026105912.

The square root of 2195016201 is 46851.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 985646025 + 1209370176 = 31395^2 + 34776^2 .

It is not a de Polignac number, because 2195016201 - 2³ = 2195016193 is a prime.

It is a super-2 number, since 2×2195016201² = 9636192245304944802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2195016281) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 22628985 + ... + 22629081.

Almost surely, 2^2195016201 is an apocalyptic number.

2195016201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2195016201 is the 46851-st square number.

2195016201 is the 23426-th centered octagonal number.

It is an amenable number.

2195016201 is a deficient number, since it is larger than the sum of its proper divisors (1700695710).

2195016201 is an equidigital number, since it uses as much as digits as its factorization.

2195016201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The cubic root of 2195016201 is about 1299.6086003165.

The spelling of 2195016201 in words is "two billion, one hundred ninety-five million, sixteen thousand, two hundred one".