2222151542 has 8 divisors (see below), whose sum is σ = 3589629456. Its totient is φ = 1025608392.

The previous prime is 2222151541. The next prime is 2222151553. The reversal of 2222151542 is 2451512222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2222151542² = 9875914951225955528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 85467367 = 2222151542 / (2 + 2 + 2 + 2 + 1 + 5 + 1 + 5 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222151541) 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, 42733658 + ... + 42733709.

It is an arithmetic number, because the mean of its divisors is an integer number (448703682).

Almost surely, 2^2222151542 is an apocalyptic number.

2222151542 is a deficient number, since it is larger than the sum of its proper divisors (1367477914).

2222151542 is a wasteful number, since it uses less digits than its factorization.

2222151542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85467382.

The product of its digits is 3200, while the sum is 26.

The square root of 2222151542 is about 47139.7023961756. The cubic root of 2222151542 is about 1304.9420450572.

Adding to 2222151542 its reverse (2451512222), we get a palindrome (4673663764).

The spelling of 2222151542 in words is "two billion, two hundred twenty-two million, one hundred fifty-one thousand, five hundred forty-two".