1402222212250 has 32 divisors (see below), whose sum is σ = 2638284743952. Its totient is φ = 558041713600.

The previous prime is 1402222212247. The next prime is 1402222212253. The reversal of 1402222212250 is 522122222041.

It is an interprime number because it is at equal distance from previous prime (1402222212247) and next prime (1402222212253).

It can be written as a sum of positive squares in 8 ways, for example, as 64075303161 + 1338146909089 = 253131^2 + 1156783^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1402222212253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14186509 + ... + 14285008.

Almost surely, 2^{1402222212250} is an apocalyptic number.

1402222212250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1402222212250 is a deficient number, since it is larger than the sum of its proper divisors (1236062531702).

1402222212250 is a wasteful number, since it uses less digits than its factorization.

1402222212250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28471731 (or 28471721 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 1402222212250 its reverse (522122222041), we get a palindrome (1924344434291).

The spelling of 1402222212250 in words is "one trillion, four hundred two billion, two hundred twenty-two million, two hundred twelve thousand, two hundred fifty".