7422211642 has 32 divisors (see below), whose sum is σ = 12623339520. Its totient is φ = 3254430960.

The previous prime is 7422211633. The next prime is 7422211691. The reversal of 7422211642 is 2461122247.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109878 + ... + 164065.

It is an arithmetic number, because the mean of its divisors is an integer number (394479360).

Almost surely, 2^7422211642 is an apocalyptic number.

7422211642 is a deficient number, since it is larger than the sum of its proper divisors (5201127878).

7422211642 is a wasteful number, since it uses less digits than its factorization.

7422211642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274018.

The product of its digits is 10752, while the sum is 31.

The square root of 7422211642 is about 86152.2584846155. The cubic root of 7422211642 is about 1950.6429299658.

Adding to 7422211642 its reverse (2461122247), we get a palindrome (9883333889).

The spelling of 7422211642 in words is "seven billion, four hundred twenty-two million, two hundred eleven thousand, six hundred forty-two".