1225214586 has 40 divisors (see below), whose sum is σ = 2753166240. Its totient is φ = 407247912.

The previous prime is 1225214539. The next prime is 1225214689. The reversal of 1225214586 is 6854125221.

1225214586 is a `hidden beast` number, since 1 + 22 + 52 + 1 + 4 + 586 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1225214586.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47625 + ... + 68691.

It is an arithmetic number, because the mean of its divisors is an integer number (68829156).

Almost surely, 2^1225214586 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225214586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1376583120).

1225214586 is an abundant number, since it is smaller than the sum of its proper divisors (1527951654).

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

1225214586 is a wasteful number, since it uses less digits than its factorization.

1225214586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21440 (or 21431 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 1225214586 is about 35003.0653800492. The cubic root of 1225214586 is about 1070.0499542870.

The spelling of 1225214586 in words is "one billion, two hundred twenty-five million, two hundred fourteen thousand, five hundred eighty-six".