201222212025 has 48 divisors (see below), whose sum is σ = 333741000320. Its totient is φ = 106979097600.

The previous prime is 201222212017. The next prime is 201222212039. The reversal of 201222212025 is 520212222102.

It is not a de Polignac number, because 201222212025 - 2³ = 201222212017 is a prime.

It is a super-2 number, since 2×201222212025² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201222211992 and 201222212010.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56537196 + ... + 56540754.

Almost surely, 2^201222212025 is an apocalyptic number.

201222212025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201222212025 is a deficient number, since it is larger than the sum of its proper divisors (132518788295).

201222212025 is a wasteful number, since it uses less digits than its factorization.

201222212025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5746 (or 5741 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 201222212025 its reverse (520212222102), we get a palindrome (721434434127).

The spelling of 201222212025 in words is "two hundred one billion, two hundred twenty-two million, two hundred twelve thousand, twenty-five".