1225026522 has 48 divisors (see below), whose sum is σ = 2723209632. Its totient is φ = 397856160.

The previous prime is 1225026493. The next prime is 1225026533. The reversal of 1225026522 is 2256205221.

1225026522 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 0 + 2 + 652 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112273 + ... + 122699.

It is an arithmetic number, because the mean of its divisors is an integer number (56733534).

Almost surely, 2^1225026522 is an apocalyptic number.

1225026522 is an abundant number, since it is smaller than the sum of its proper divisors (1498183110).

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

1225026522 is a wasteful number, since it uses less digits than its factorization.

1225026522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10603 (or 10600 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1225026522 is about 35000.3788836635. The cubic root of 1225026522 is about 1069.9952024707.

The spelling of 1225026522 in words is "one billion, two hundred twenty-five million, twenty-six thousand, five hundred twenty-two".