1225201064 has 16 divisors (see below), whose sum is σ = 2350677120. Its totient is φ = 598353840.

The previous prime is 1225201057. The next prime is 1225201069. The reversal of 1225201064 is 4601025221.

It is a happy number.

It is a super-2 number, since 2×1225201064² = 3002235294453464192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1225201069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1780472 + ... + 1781159.

It is an arithmetic number, because the mean of its divisors is an integer number (146917320).

Almost surely, 2^1225201064 is an apocalyptic number.

It is an amenable number.

1225201064 is a deficient number, since it is larger than the sum of its proper divisors (1125476056).

1225201064 is a wasteful number, since it uses less digits than its factorization.

1225201064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561680 (or 3561676 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1225201064 is about 35002.8722250046. The cubic root of 1225201064 is about 1070.0460177606.

Adding to 1225201064 its reverse (4601025221), we get a palindrome (5826226285).

The spelling of 1225201064 in words is "one billion, two hundred twenty-five million, two hundred one thousand, sixty-four".