1227625416 has 128 divisors (see below), whose sum is σ = 3630960000. Its totient is φ = 383201280.

The previous prime is 1227625409. The next prime is 1227625493. The reversal of 1227625416 is 6145267221.

It is a happy number.

1227625416 is a `hidden beast` number, since 1 + 2 + 27 + 625 + 4 + 1 + 6 = 666.

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 31 ways as a sum of consecutive naturals, for example, 363576 + ... + 366936.

It is an arithmetic number, because the mean of its divisors is an integer number (28366875).

Almost surely, 2^1227625416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1227625416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1815480000).

1227625416 is an abundant number, since it is smaller than the sum of its proper divisors (2403334584).

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

1227625416 is a wasteful number, since it uses less digits than its factorization.

1227625416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484 (or 3474 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 1227625416 is about 35037.4858687092. The cubic root of 1227625416 is about 1070.7513330208.

The spelling of 1227625416 in words is "one billion, two hundred twenty-seven million, six hundred twenty-five thousand, four hundred sixteen".