1225484700 has 72 divisors (see below), whose sum is σ = 3868085760. Its totient is φ = 297086400.

The previous prime is 1225484683. The next prime is 1225484707. The reversal of 1225484700 is 74845221.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225484707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182380 + ... + 188979.

Almost surely, 2^1225484700 is an apocalyptic number.

1225484700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225484700 is an abundant number, since it is smaller than the sum of its proper divisors (2642601060).

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

1225484700 is a wasteful number, since it uses less digits than its factorization.

1225484700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371387 (or 371380 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 1225484700 is about 35006.9236009107. The cubic root of 1225484700 is about 1070.1285838427.

The spelling of 1225484700 in words is "one billion, two hundred twenty-five million, four hundred eighty-four thousand, seven hundred".