1225237551022 has 16 divisors (see below), whose sum is σ = 1887557458752. Its totient is φ = 596052246240.

The previous prime is 1225237551011. The next prime is 1225237551067. The reversal of 1225237551022 is 2201557325221.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9358372 + ... + 9488392.

It is an arithmetic number, because the mean of its divisors is an integer number (117972341172).

Almost surely, 2^{1225237551022} is an apocalyptic number.

1225237551022 is a deficient number, since it is larger than the sum of its proper divisors (662319907730).

1225237551022 is a wasteful number, since it uses less digits than its factorization.

1225237551022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257403.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 1225237551022 in words is "one trillion, two hundred twenty-five billion, two hundred thirty-seven million, five hundred fifty-one thousand, twenty-two".