142201022 has 16 divisors (see below), whose sum is σ = 226994400. Its totient is φ = 66578688.

The previous prime is 142201009. The next prime is 142201069. The reversal of 142201022 is 220102241.

It is a super-2 number, since 2×142201022² = 40442261315688968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142200988 and 142201006.

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, 3743 + ... + 17274.

It is an arithmetic number, because the mean of its divisors is an integer number (14187150).

Almost surely, 2^142201022 is an apocalyptic number.

142201022 is a deficient number, since it is larger than the sum of its proper divisors (84793378).

142201022 is a wasteful number, since it uses less digits than its factorization.

142201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21235.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 142201022 is about 11924.8070005346. The cubic root of 142201022 is about 521.9564145970.

Adding to 142201022 its reverse (220102241), we get a palindrome (362303263).

The spelling of 142201022 in words is "one hundred forty-two million, two hundred one thousand, twenty-two".