1372228567 has 4 divisors (see below), whose sum is σ = 1372317640. Its totient is φ = 1372139496.

The previous prime is 1372228531. The next prime is 1372228589. The reversal of 1372228567 is 7658222731.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7658222731 = 103 ⋅74351677.

It is a cyclic number.

It is not a de Polignac number, because 1372228567 - 2²³ = 1363839959 is a prime.

It is a super-2 number, since 2×1372228567² = 3766022480181746978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372228267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14817 + ... + 54442.

It is an arithmetic number, because the mean of its divisors is an integer number (343079410).

Almost surely, 2^1372228567 is an apocalyptic number.

1372228567 is a deficient number, since it is larger than the sum of its proper divisors (89073).

1372228567 is an equidigital number, since it uses as much as digits as its factorization.

1372228567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89072.

The product of its digits is 282240, while the sum is 43.

The square root of 1372228567 is about 37043.6035909035. The cubic root of 1372228567 is about 1111.2424383080.

The spelling of 1372228567 in words is "one billion, three hundred seventy-two million, two hundred twenty-eight thousand, five hundred sixty-seven".