1396225152 has 288 divisors, whose sum is σ = 4752171840. Its totient is φ = 385413120.

The previous prime is 1396225141. The next prime is 1396225169. The reversal of 1396225152 is 2515226931.

It is a happy number.

1396225152 is a `hidden beast` number, since 13 + 9 + 622 + 5 + 15 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13555533 + ... + 13555635.

Almost surely, 2^1396225152 is an apocalyptic number.

1396225152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1396225152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2376085920).

1396225152 is an abundant number, since it is smaller than the sum of its proper divisors (3355946688).

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

1396225152 is a wasteful number, since it uses less digits than its factorization.

1396225152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 156 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 1396225152 is about 37366.0962906215. The cubic root of 1396225152 is about 1117.6825892662.

The spelling of 1396225152 in words is "one billion, three hundred ninety-six million, two hundred twenty-five thousand, one hundred fifty-two".