222700001644 has 6 divisors (see below), whose sum is σ = 389725002884. Its totient is φ = 111350000820.

The previous prime is 222700001603. The next prime is 222700001659. The reversal of 222700001644 is 446100007222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27837500202 + ... + 27837500209.

Almost surely, 2^222700001644 is an apocalyptic number.

It is an amenable number.

222700001644 is a deficient number, since it is larger than the sum of its proper divisors (167025001240).

222700001644 is a wasteful number, since it uses less digits than its factorization.

222700001644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55675000415 (or 55675000413 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 222700001644 its reverse (446100007222), we get a palindrome (668800008866).

The spelling of 222700001644 in words is "two hundred twenty-two billion, seven hundred million, one thousand, six hundred forty-four".