1220225410 has 32 divisors (see below), whose sum is σ = 2386598400. Its totient is φ = 447482880.

The previous prime is 1220225407. The next prime is 1220225411. The reversal of 1220225410 is 145220221.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (1220225411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97695 + ... + 109474.

It is an arithmetic number, because the mean of its divisors is an integer number (74581200).

Almost surely, 2^1220225410 is an apocalyptic number.

1220225410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220225410 is a deficient number, since it is larger than the sum of its proper divisors (1166372990).

1220225410 is a wasteful number, since it uses less digits than its factorization.

1220225410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207226.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1220225410 is about 34931.7249788784. The cubic root of 1220225410 is about 1068.5955340981.

Adding to 1220225410 its reverse (145220221), we get a palindrome (1365445631).

The spelling of 1220225410 in words is "one billion, two hundred twenty million, two hundred twenty-five thousand, four hundred ten".