1400222148 has 24 divisors (see below), whose sum is σ = 3518507328. Its totient is φ = 430837536.

The previous prime is 1400222113. The next prime is 1400222177. The reversal of 1400222148 is 8412220041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4487736 + ... + 4488047.

It is an arithmetic number, because the mean of its divisors is an integer number (146604472).

Almost surely, 2^1400222148 is an apocalyptic number.

It is an amenable number.

1400222148 is an abundant number, since it is smaller than the sum of its proper divisors (2118285180).

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

1400222148 is a wasteful number, since it uses less digits than its factorization.

1400222148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8975803 (or 8975801 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 1400222148 is about 37419.5423275058. The cubic root of 1400222148 is about 1118.7481090737.

Adding to 1400222148 its reverse (8412220041), we get a palindrome (9812442189).

The spelling of 1400222148 in words is "one billion, four hundred million, two hundred twenty-two thousand, one hundred forty-eight".