1225622345800 has 24 divisors (see below), whose sum is σ = 2849571954450. Its totient is φ = 490248938240.

The previous prime is 1225622345749. The next prime is 1225622345867. The reversal of 1225622345800 is 85432265221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1169819622724 + 55802723076 = 1081582^2 + 236226^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3064055665 + ... + 3064056064.

Almost surely, 2^{1225622345800} is an apocalyptic number.

1225622345800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225622345800 is an abundant number, since it is smaller than the sum of its proper divisors (1623949608650).

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

1225622345800 is a wasteful number, since it uses less digits than its factorization.

1225622345800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6128111745 (or 6128111736 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 1225622345800 in words is "one trillion, two hundred twenty-five billion, six hundred twenty-two million, three hundred forty-five thousand, eight hundred".