1225448623 has 8 divisors (see below), whose sum is σ = 1401390720. Its totient is φ = 1049726040.

The previous prime is 1225448617. The next prime is 1225448633. The reversal of 1225448623 is 3268445221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1225448623 - 2²¹ = 1223351471 is a prime.

It is a super-2 number, since 2×1225448623² = 3003448655225192258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225448633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42733 + ... + 65398.

It is an arithmetic number, because the mean of its divisors is an integer number (175173840).

Almost surely, 2^1225448623 is an apocalyptic number.

1225448623 is a deficient number, since it is larger than the sum of its proper divisors (175942097).

1225448623 is a wasteful number, since it uses less digits than its factorization.

1225448623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109757.

The product of its digits is 92160, while the sum is 37.

The square root of 1225448623 is about 35006.4083133360. The cubic root of 1225448623 is about 1070.1180825806.

The spelling of 1225448623 in words is "one billion, two hundred twenty-five million, four hundred forty-eight thousand, six hundred twenty-three".