1001400222 has 32 divisors (see below), whose sum is σ = 2025540000. Its totient is φ = 330023808.

The previous prime is 1001400193. The next prime is 1001400251. The reversal of 1001400222 is 2220041001.

It is an interprime number because it is at equal distance from previous prime (1001400193) and next prime (1001400251).

It is a junction number, because it is equal to n+sod(n) for n = 1001400198 and 1001400207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362904 + ... + 365652.

It is an arithmetic number, because the mean of its divisors is an integer number (63298125).

Almost surely, 2^1001400222 is an apocalyptic number.

1001400222 is an abundant number, since it is smaller than the sum of its proper divisors (1024139778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001400222 is a wasteful number, since it uses less digits than its factorization.

1001400222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1001400222 is about 31644.9083108168. The cubic root of 1001400222 is about 1000.4665229891.

Adding to 1001400222 its reverse (2220041001), we get a palindrome (3221441223).

The spelling of 1001400222 in words is "one billion, one million, four hundred thousand, two hundred twenty-two".