1451544222 has 16 divisors (see below), whose sum is σ = 2903515920. Its totient is φ = 483776832.

The previous prime is 1451544179. The next prime is 1451544233. The reversal of 1451544222 is 2224451541.

It is a self number, because there is not a number n which added to its sum of digits gives 1451544222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41554 + ... + 68042.

It is an arithmetic number, because the mean of its divisors is an integer number (181469745).

Almost surely, 2^1451544222 is an apocalyptic number.

1451544222 is an abundant number, since it is smaller than the sum of its proper divisors (1451971698).

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

1451544222 is a wasteful number, since it uses less digits than its factorization.

1451544222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35627.

The product of its digits is 12800, while the sum is 30.

The square root of 1451544222 is about 38099.1367618743. The cubic root of 1451544222 is about 1132.2528533000.

Adding to 1451544222 its reverse (2224451541), we get a palindrome (3675995763).

The spelling of 1451544222 in words is "one billion, four hundred fifty-one million, five hundred forty-four thousand, two hundred twenty-two".