1226730450 has 192 divisors, whose sum is σ = 3548344320. Its totient is φ = 277536000.

The previous prime is 1226730443. The next prime is 1226730451. The reversal of 1226730450 is 540376221.

1226730450 = 3471² + 3472² + ... + 3569².

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1226730451) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1482937 + ... + 1483763.

It is an arithmetic number, because the mean of its divisors is an integer number (18480960).

Almost surely, 2^1226730450 is an apocalyptic number.

1226730450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226730450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1774172160).

1226730450 is an abundant number, since it is smaller than the sum of its proper divisors (2321613870).

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

1226730450 is a wasteful number, since it uses less digits than its factorization.

1226730450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1226730450 is about 35024.7119902505. The cubic root of 1226730450 is about 1070.4910693199.

The spelling of 1226730450 in words is "one billion, two hundred twenty-six million, seven hundred thirty thousand, four hundred fifty".